Bt - Mock Exam (Annayazu)

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| Attempts: 871 | Questions: 200 | Updated: Mar 21, 2025
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1. What is the ratio of Class A Concrete?

Explanation

The ratio of Class A Concrete is 1:2:4. This means that for every part of cement, there are 2 parts of sand and 4 parts of aggregate. This ratio is commonly used in construction to achieve the desired strength and durability of concrete.

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About This Quiz
Bt - Mock Exam (Annayazu) - Quiz

Expanded Version of CentroArkitektura Mock-Exam (Building Technology and Construction) for Jan. 2020 ALE. Credits to Arch. RD Fernandez

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2. Dimension of MDF in feet

Explanation

The given answer, 4' x 8', represents the dimensions of MDF (Medium Density Fiberboard) in feet. MDF is commonly available in sheets with a size of 4 feet by 8 feet.

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3. Honeycomb in concrete can be prevented by

Explanation

Using vibrators can prevent honeycomb in concrete. Vibrators are used to remove air bubbles from the concrete mixture, ensuring that it is properly compacted. When concrete is not properly compacted, air voids can form, resulting in honeycomb. By using vibrators, the concrete becomes denser and the likelihood of honeycomb formation is reduced.

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4. The figure shown is used to hold

Explanation

The figure shown is used to hold glass.

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5. A test used to determine the consistency of fresh concrete.

Explanation

The correct answer is the slump test. The slump test is a method used to measure the consistency and workability of fresh concrete. It involves filling a conical mold with concrete, then removing the mold and measuring the amount of slump or settlement of the concrete. This test is commonly used in the construction industry to ensure that the concrete has the desired consistency for proper placement and compaction. The slump test provides valuable information about the quality and workability of the concrete mixture.

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6. Number of CMU blocks per square meter area.

Explanation

This question is asking for the number of CMU blocks per square meter area. The correct answer is 12.5, which means that there are 12.5 CMU blocks in every square meter of the given area.

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7. Weight of reinforced concrete per cubic meter

Explanation

Reinforced concrete is a composite material made of concrete and steel reinforcement. The weight of reinforced concrete per cubic meter is determined by the density of the materials used. In this case, the correct answer is 2400 kg/m³, which means that for every cubic meter of reinforced concrete, it weighs 2400 kilograms. This density is commonly used in construction and is suitable for various applications due to its strength and durability.

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8. What is the commercial size of plywood?

Explanation

The commercial size of plywood is 4' x 8'. This means that the standard size of a plywood sheet used in commercial applications is 4 feet wide and 8 feet long. This size is widely available and commonly used in construction and woodworking projects.

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9. What is used in laying bricks?

Explanation

Mortar is used in laying bricks. It is a mixture of cement, sand, and water that is used to hold the bricks together and provide stability to the structure. Mortar acts as a binding agent and provides strength and durability to the brickwork. It is applied between the bricks during construction and hardens over time, creating a solid and stable structure.

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10. Testing of concrete consistency

Explanation

The slump test is used to measure the consistency or workability of fresh concrete. It involves filling a cone-shaped mold with concrete, then removing the mold and measuring how much the concrete slumps or settles. The higher the slump, the more workable and fluid the concrete is. This test is important in determining if the concrete has the right consistency for the intended application, such as pouring into molds or forming structures. It helps ensure that the concrete is not too stiff or too runny, which can affect its strength and durability.

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11. For the door hardware shown, which is used as a stopping device?

Explanation

Item D is used as a stopping device because it appears to be a doorstop or door holder. It is designed to prevent the door from closing fully or to hold it in a partially open position. The other items (A, B, C, and E) do not appear to serve this purpose based on the information provided.

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12. What is the commercial size of a non-loadbearing CHB?

Explanation

The commercial size of a non-loadbearing CHB is 4" x 8" x 16".

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13. A material other than water, aggregates, and hydraulic cement, used as an ingredient of concrete or mortar, and added to the batch immediately before during its mixing.

Explanation

An admixture is a material that is added to concrete or mortar during the mixing process. It is used to modify or improve certain properties of the mixture, such as workability, setting time, strength, or durability. Admixtures are typically added in small quantities and can be chemical or mineral-based. They are not considered part of the main ingredients of concrete, which are water, aggregates, and hydraulic cement. Therefore, the correct answer is admixture.

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14. What is commonly used to bind masonry units?

Explanation

Mortar is commonly used to bind masonry units. It is a mixture of cement, sand, and water that is applied between the bricks or stones to hold them together. Unlike concrete, which is a stronger and more rigid material, mortar is specifically designed to be more flexible and allow for slight movement or settling of the masonry units. This flexibility helps to prevent cracks and damage in the structure over time. Plaster and cement are not typically used for binding masonry units.

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15. Classification of fires involving ordinary combustible solid materials like wood, paper, cloth, etc.

Explanation

Class A fires involve ordinary combustible solid materials like wood, paper, cloth, etc. These materials are commonly found in homes, offices, and other everyday environments. Class A fires can be extinguished by water, foam, or other common extinguishing agents.

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16. A strip of rubber, metal, or other material used to seal edges of a door or window against the cold

Explanation

A weather strip is a strip of rubber, metal, or other material that is used to seal the edges of a door or window against the cold. It helps to prevent drafts and keep the cold air from entering the room. By creating a tight seal, the weather strip helps to maintain the temperature inside the room and increase energy efficiency.

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17. What is the actual thickness of a 100 mm CMU in mm?

Explanation

The actual thickness of a 100 mm CMU (Concrete Masonry Unit) is 100 mm. This means that the CMU has a thickness of 100 millimeters.

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18. This type of retaining wall is made of rectangular baskets made of steel wherein it is filled with stones to hold the soil.

Explanation

A gabion wall is a type of retaining wall that is made of rectangular baskets made of steel. These baskets are filled with stones, which provide stability and help hold the soil in place. The stones in the gabion wall create a strong barrier against erosion and can withstand the pressure from the soil behind it. This type of wall is commonly used in areas where erosion control is needed, such as along riverbanks or slopes.

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19. A bag of Portland cement is equivalent to

Explanation

A bag of Portland cement is typically equivalent to 40 kg. This is a standard weight for bags of cement commonly used in construction and building projects.

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20. A system of building construction that is prefabricated then assembled on site.

Explanation

Prefab, short for prefabricated, refers to a system of building construction where components are manufactured off-site and then transported to the construction site for assembly. This method allows for faster construction times and cost savings compared to traditional on-site construction. Prefab buildings are typically made up of pre-engineered modules or panels that can be easily assembled on-site. This method is commonly used for residential, commercial, and industrial buildings.

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21. What is the actual thickness of a 150 mm CMU in mm?

Explanation

The actual thickness of a 150 mm CMU is 150 mm.

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22. A layer of broken stones thrown together irregularly on an embankment slope to prevent erosion.

Explanation

Riprap refers to a layer of broken stones that are placed haphazardly on an embankment slope. This arrangement of stones serves as a protective measure against erosion. The irregular placement of the stones helps to dissipate the force of water and prevent it from wearing away the embankment. Riprap is commonly used in areas where there is a high risk of erosion, such as along riverbanks or shorelines. It provides stability and durability, making it an effective solution for erosion control.

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23. What is the ratio of Class A Concrete?

Explanation

The ratio of Class A Concrete is 1:2:4. This means that for every 1 part of cement, there are 2 parts of sand and 4 parts of aggregate. This ratio is commonly used in construction to achieve the desired strength and durability of concrete.

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24. What admixture is appropriate for a hot weather?

Explanation

A retarder is an admixture that slows down the setting time of concrete, making it suitable for hot weather conditions. In hot weather, concrete tends to set quickly, which can lead to various issues such as reduced workability and strength. By using a retarder, the setting time is extended, allowing more time for proper placement and finishing of the concrete. This helps to prevent issues such as premature drying and cracking, ensuring that the concrete develops the desired strength and durability.

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25. What is used to manually cut glass?

Explanation

A glass diamond cutter is used to manually cut glass. This tool is specifically designed with a diamond tip that is able to score the surface of the glass, creating a line that can be easily broken. The diamond tip is able to make precise cuts without shattering or damaging the glass, making it the ideal tool for cutting glass manually. Circular saws, cut off saws, and diamond discs are not typically used for cutting glass manually, as they are more commonly used for cutting other materials such as wood or metal.

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26. Equivalent of 7/8 inch in mm

Explanation

The equivalent of 7/8 inch in mm is 22.

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27. Item B is what type of waterproofing?

Explanation

The correct answer is Sheet Membrane. This type of waterproofing involves using a sheet-like material that is applied to the surface to prevent water penetration. It is commonly used in construction for roofs, basements, and other areas that require effective waterproofing. Sheet membranes are typically made of materials like bitumen, PVC, or EPDM, and they provide a durable and long-lasting solution for keeping water out.

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28. Which is/are for glass railings?

Explanation

The correct answer is Item D & E because glass railings can be made using Item D, which is glass panels, and Item E, which is metal posts or brackets to hold the glass panels in place. Both of these items are necessary components for constructing glass railings.

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29. What is VOC?

Explanation

Volatile Organic Compounds (VOCs) are organic chemicals that have a high vapor pressure at room temperature. They are emitted as gases from certain solids or liquids, and can have short-term and long-term adverse health effects when present in high concentrations. VOCs are commonly found in household products such as paints, cleaning supplies, and building materials. They also contribute to air pollution and can react with other pollutants to form harmful substances like ozone. Therefore, the correct answer is Volatile Organic Compounds.

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30. What is the material commonly used for drywall construction?

Explanation

Gypsum is the material commonly used for drywall construction. Gypsum is a soft sulfate mineral that is easily mined and processed into a powder form. It is then mixed with water to create a paste, which is spread onto a paper backing and dried to form sheets of drywall. Gypsum is preferred for drywall construction due to its fire-resistant properties, durability, and ease of installation. It is also a cost-effective option compared to other materials like CHB (concrete hollow blocks), plywood, fibercement, or HDF (high-density fiberboard).

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31. The figure shown is used for

Explanation

The figure shown is most likely a welding machine. Welding is a process that involves joining two or more pieces of metal together using heat and pressure. Welding machines provide the necessary heat and power to create a strong bond between the metal pieces. Therefore, the figure shown is used for welding.

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32. 7/8 inch is equivalent to

Explanation

not-available-via-ai

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33. Which among the glass listed below is not considered as a safety glass

Explanation

Pattern glass is not considered as a safety glass because it is a type of decorative glass that does not provide the same level of protection as other types of safety glass. Pattern glass is typically used for aesthetic purposes and does not have the same impact resistance or shatterproof properties as safety glass options like tempered glass, laminated glass, wired glass, or bulletproof glass.

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34. The most common size of aggregates used for structural members in a concrete construction.

Explanation

The most common size of aggregates used for structural members in a concrete construction is typically between ¾" and 1". This range of aggregate size provides a good balance of strength and workability for the concrete mixture. It allows for proper bonding between the aggregates and the cement paste, resulting in a strong and durable concrete structure. Using larger aggregates can lead to a decrease in workability and increase the risk of segregation, while using smaller aggregates may result in a weaker concrete mix. Therefore, the ¾" to 1" size range is commonly preferred for structural members in concrete construction.

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35. A test used to determine the strength of materials.

Explanation

The compression test is a method used to determine the strength of materials. It involves applying a compressive force to a specimen and measuring the amount of deformation or the maximum load it can withstand before failure. This test is commonly used in construction and engineering to assess the load-bearing capacity of materials such as concrete, metals, and plastics. By subjecting the material to compression, the test helps determine its ability to withstand pressure and provides valuable information for design and structural analysis.

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36. Buildings of wood construction.

Explanation

Type I construction refers to buildings that are made of non-combustible materials such as concrete and steel. These materials have a high resistance to fire and are able to withstand intense heat for a longer period of time. This type of construction is considered the most fire-resistant and provides the highest level of safety for occupants. Therefore, buildings of wood construction would not fall under Type I construction, as wood is a combustible material and does not meet the criteria for this type of construction.

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37. Vernacular term of building projections

Explanation

Bolada is the correct answer because it is the vernacular term used to refer to building projections. The other options (Asotea, Trabesanyo, Kostilyahe) do not have any specific meaning related to building projections.

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38. For the time duration enumerated below (in days), which will be the curing duration for concrete to attain its maximum design strength?

Explanation

The curing duration for concrete to attain its maximum design strength is typically 28 days. During this time, the concrete undergoes a process called hydration, where the cement particles react with water to form a strong and durable solid. This curing period allows the concrete to reach its full strength and ensures that it is capable of supporting the intended loads and stresses.

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39. Size of concrete slump cone (H x Bottom Ø x Top Ø) for Slump Test.

Explanation

The correct answer is 12" x 8" x 4". This is the size of the concrete slump cone for the Slump Test. The dimensions of the cone are important in order to accurately measure the consistency and workability of the concrete mixture. The height of 12" allows for a sufficient amount of concrete to be tested, while the bottom diameter of 8" and top diameter of 4" provide a standardized shape for the cone. This size ensures consistent and reliable results when conducting the Slump Test.

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40. Wood used in construction

Explanation

Lumber refers to wood that has been processed into beams or planks for construction purposes. It is a broad term that encompasses various types of wood, including both hardwood and softwood. Hardwood comes from deciduous trees and is known for its durability and strength, making it suitable for flooring, furniture, and cabinetry. Softwood, on the other hand, comes from coniferous trees and is less dense, making it easier to work with and commonly used for framing, decking, and siding. Therefore, lumber is the correct answer as it encompasses all types of wood used in construction.

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41. From the types of panel door shown, what is Item B?

Explanation

Item B is a panel door with a sash. A panel door typically consists of a frame with panels inserted within it, and a sash is a movable frame that holds the glass panes in a door or window. Therefore, a panel door with a sash refers to a door that has both panels and a movable frame with glass panes.

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42. Based on the image, match the following.
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43. Commercial dimension of plastic laminates

Explanation

The answer "4 x 8 ft" refers to the dimensions of plastic laminates in a commercial setting. This size is commonly used in commercial applications such as countertops, tabletops, and wall panels. The larger size allows for more coverage and reduces the number of seams required during installation, making it a practical choice for commercial spaces.

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44. Number of pieces of 60 x 60 ceramic tiles (local) in a box.

Explanation

The correct answer is 4 because the question asks for the number of pieces of 60 x 60 ceramic tiles in a box, and the number 4 is the only option that represents a quantity of tiles.

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45. Wall treatment, mostly painted or with wall panels, measuring usually 0.90 meters vertical distance from the floor finish.

Explanation

Wainscot is the correct answer because it refers to a type of wall treatment that is typically installed at a vertical distance of 0.90 meters from the floor finish. Wainscot can be made of painted panels or wall panels, which aligns with the description provided in the question.

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46. Dimensions of welded wire fabric in feet

Explanation

The given answer, 4' x 8', represents the dimensions of welded wire fabric in feet. This means that the fabric is 4 feet wide and 8 feet long.

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47. Identify the photo shown.

Explanation

The photo shown is of a boom shotcrete. A boom shotcrete is a machine used in construction for spraying concrete onto surfaces such as walls or ceilings. It consists of a long, extendable arm (boom) with a nozzle at the end that sprays the concrete mixture. This method is commonly used in construction projects to quickly and efficiently apply concrete to large areas.

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48. Identify type of waterproofing based on description below:   A hot or cold membrane applied to the surface; for example asphalt paper laid with hot asphalt or self sealing asphalt paper.

Explanation

The correct answer is Membrane Type. This is because the description mentions the application of a membrane, whether it is hot or cold, to the surface. This indicates that the waterproofing method being described involves the use of a membrane.

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49. The equivalent of #4 rebar in millimeter.

Explanation

The equivalent of #4 rebar in millimeters is 12 mm.

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50. Identify type of waterproofing based on description below:   A powder form waterproofing compound mixed with water and applied by brush to the surface to be waterproofed.

Explanation

The correct answer is Cementitious Type. This type of waterproofing involves using a powder form waterproofing compound that is mixed with water to create a paste or slurry. It is then applied to the surface to be waterproofed using a brush. Cementitious waterproofing is commonly used for concrete structures and provides a durable and long-lasting waterproofing solution.

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51. The equivalent of #5 rebar in millimeter.

Explanation

The equivalent of #5 rebar in millimeters is 16 mm.

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52. A bag of patching compound is equivalent to

Explanation

The bag of patching compound is equivalent to 20 kg.

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53. For a Warehouse project with galvanized sheet roofing, what is the general spacing support for the roof?

Explanation

The general spacing support for the roof in a Warehouse project with galvanized sheet roofing is 600 mm. This spacing allows for sufficient support and stability for the roof, ensuring that it can withstand the weight and any potential loads placed on it. A spacing of 600 mm strikes a balance between providing enough support while also minimizing the number of supports required, which can help to reduce costs and construction time.

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54. Item C is what type of waterproofing?

Explanation

Waterstop is a type of waterproofing that is used to prevent the passage of water through joints in concrete structures. It is typically made of a flexible material, such as rubber or PVC, and is placed in the joints to create a watertight seal. Waterstop is commonly used in applications such as basements, tunnels, and swimming pools to ensure that water does not leak through the joints and cause damage to the structure.

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55. A material that can be used as a substitute for glass shaped into small and thin square pattern and with diffusive effect once exposed to sunlight.

Explanation

Capiz is a material that can be used as a substitute for glass and is often shaped into small and thin square patterns. When exposed to sunlight, capiz has a diffusive effect, meaning it scatters or spreads the light in different directions. This makes it an ideal choice for windows or decorative pieces where diffused light is desired. Pattern glass, glass block, stained glass, and alero do not specifically have the same properties as capiz, making them incorrect choices.

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56. The equivalent of #3 rebar in millimeter.

Explanation

Rebar is a steel reinforcing bar used in concrete construction to provide additional strength. The size of rebar is typically indicated by a number, with #3 rebar being one of the smaller sizes. The question is asking for the equivalent size of #3 rebar in millimeters. The correct answer is 10 mm, which means that #3 rebar has a diameter of 10 millimeters.

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57. Identify type of waterproofing based on description below:   A fluid applied elastomeric coating formulated to waterproof and preserve the substrate of concrete, wood, and steel. The wide temperature range, withstands extreme thermal movement, settling and cracking; resists puncture and tearing; and can be applied by roller, brush, spray or squeegee.

Explanation

The correct answer is Fluid Type. This is because the description mentions a fluid applied elastomeric coating that is used to waterproof and preserve various substrates. It also states that the coating can withstand extreme thermal movement, settling, and cracking, and can be applied using different methods such as roller, brush, spray, or squeegee. This aligns with the characteristics of a fluid type waterproofing material.

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58. Which among the following is a supplier of steel bars and built-up sections in the Philippines?

Explanation

SteelAsia is the correct answer because it is a known supplier of steel bars and built-up sections in the Philippines. They are a leading manufacturer and supplier of steel products, catering to various industries such as construction, infrastructure, and manufacturing. SteelAsia is recognized for its high-quality products and reliable service, making them a trusted choice for steel needs in the Philippines.

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59. Equivalent of 3/4 inch in mm

Explanation

The correct answer is 19 because 3/4 inch is equivalent to 19.05 mm.

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60. A bag of gypsum compound is equivalent to

Explanation

A bag of gypsum compound is equivalent to 20 kg.

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61. For the door hardware shown, which is used as a closing device?

Explanation

Item E is used as a closing device because it appears to be a door closer. Door closers are typically installed on the top of a door and are designed to automatically close the door after it has been opened. They provide control over the speed and force with which the door closes, ensuring that it closes smoothly and securely.

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62. Volume of 1 bag of Portland cement in cu.ft.

Explanation

The volume of 1 bag of Portland cement is 1 cubic foot.

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63. Minimum length of deformed bar in feet

Explanation

The minimum length of the deformed bar is 20 ft. This means that the bar cannot be shorter than 20 ft in length.

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64. A bag of water-based skimcoat is equivalent to

Explanation

A bag of water-based skimcoat is equivalent to 20 kg because the given answer is the only option that matches the information provided in the question. The question does not provide any additional information or context to suggest any other weight measurement. Therefore, the correct answer must be 20 kg.

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65. Classification of fires involving commercial cooking equipment like cooking oils, animal fats, vegetable oils, etc.

Explanation

The correct answer is Class K. Class K fires involve fires that occur in commercial cooking equipment, specifically those that involve cooking oils, animal fats, and vegetable oils. These types of fires are commonly found in restaurants and other food service establishments. Class K fires require a specific type of fire extinguisher, known as a Class K extinguisher, which is designed to effectively suppress and extinguish these types of fires.

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66. Classification of fires involving energized electrical equipment like electrical panel, motor, wiring, etc.

Explanation

Class C fires involve energized electrical equipment such as electrical panels, motors, and wiring. These fires occur when an electrical source ignites flammable materials or when a fire causes electrical equipment to malfunction. The "C" classification is used to identify and address these specific types of fires, as they require unique safety measures and extinguishing methods.

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67. Minimum length of structural steel in feet

Explanation

The minimum length of structural steel required is 20 ft. This means that any length shorter than 20 ft would not meet the structural requirements.

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68. What is the standard ratio of cement (in bags) for Class AA mixture?

Explanation

The correct answer is 12 bags. This suggests that the standard ratio of cement for Class AA mixture is 12 bags. This means that for every mixture of Class AA, 12 bags of cement should be used.

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69. One roll of GA 16 GI wire is equivalent to

Explanation

One roll of GA 16 GI wire is equivalent to 35 kilos. This means that the weight of the wire in one roll is 35 kilos.

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70. Based from the door detail shown, Item D is

Explanation

The correct answer is "Lock rail" because based on the door detail shown, Item D is the horizontal rail that contains the lock mechanism. It is located in the middle of the door and is responsible for securing the door when it is locked. The other options (Stile, Panel, Bottom Rail, Jamb) do not accurately describe the specific part shown in the detail.

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71. Identify type of waterproofing based on description below:   An element of a concrete structure, intended to prevent the passages of fluids (such as water) when embedded in and running continuously through concrete joints.

Explanation

The correct answer is Waterstop. Waterstop is a type of waterproofing that is used to prevent the passage of fluids, such as water, through concrete joints. It is embedded in and runs continuously through the concrete joints to create a barrier against water penetration.

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72. For the door hardware shown, which is used as a hanging device?

Explanation

Item C is used as a hanging device because it is a door hinge. Hinges are commonly used to attach doors to frames and allow them to swing open and closed. Therefore, Item C is the correct answer as it serves the purpose of a hanging device for the door.

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73. For the door hardware shown, which is used as a securing device?

Explanation

Item A is used as a securing device because it appears to be a lock mechanism. It has a keyhole and a latch, indicating that it can be locked and unlocked to secure the door.

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74. Number of pieces of 60 x 120 ceramic tiles (local) in a box.

Explanation

The answer is 2 because the question asks for the number of pieces of 60 x 120 ceramic tiles in a box, and the correct answer is 2.

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75. In the wood dovetail joints shown, what is Item D?

Explanation

The correct answer is Common dovetail. This term refers to a type of dovetail joint commonly used in woodworking. It is characterized by interlocking pins and tails that are cut at a 90-degree angle to the surface of the wood. The joint provides strong and durable connections, making it popular for joining corners of drawers, boxes, and other furniture pieces.

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76. Which is NOT true about concrete?

Explanation

Concrete is a widely used construction material due to its various properties. However, one property that is NOT true about concrete is that it is recyclable. Unlike materials like glass or metal, concrete cannot be easily recycled. It is a non-renewable resource and once it is used, it is difficult to separate and reuse the components effectively. Therefore, while concrete is economical, impervious to water, lightweight, and fireproof, it is not recyclable.

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77. Buildings of wood construction with protective fire-resistant materials and one-hour fire-resistive throughout.

Explanation

Type II construction refers to buildings that are made of non-combustible materials such as concrete and steel. These materials provide a higher level of fire resistance compared to Type V construction, which is made of wood. However, the given answer also mentions the use of protective fire-resistant materials and one-hour fire-resistive throughout the building. This additional information suggests that the building is not purely Type II construction, but rather a combination of Type II construction with added fire-resistant measures.

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78. The binding material for mortar in a traditional brick masonry construction, such as Tumauni Church in Isabela.

Explanation

Lime is the correct answer because it is commonly used as a binding material for mortar in traditional brick masonry construction. Lime has been used for centuries in construction due to its ability to create a strong and durable bond between bricks. It is also known for its flexibility and ability to allow moisture to escape, preventing damage to the bricks. Additionally, lime has a long history of use in traditional construction methods, making it a suitable choice for a traditional brick masonry construction like the Tumauni Church in Isabela.

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79. When a large aggregate of more than 6mm (1/4") in size is added to cement, water, and fine aggregate, the product is?

Explanation

When a large aggregate of more than 6mm (1/4") in size is added to cement, water, and fine aggregate, the product is concrete. Concrete is a composite material made up of cement, water, fine aggregate (such as sand), and coarse aggregate (such as gravel or crushed stone). The large aggregate provides strength and durability to the concrete mixture, making it suitable for various construction applications. Reinforced concrete, on the other hand, is concrete that also contains reinforcement materials like steel bars to further enhance its strength and load-bearing capacity. Mortar and plaster are different mixtures used for specific purposes in construction, but they do not contain the large aggregate required for concrete. Palitada is a term used in the Philippines to refer to a specific plastering technique, but it is not relevant to the given question.

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80. Item A is what type of waterproofing?

Explanation

The correct answer is Liquid Membrane. Liquid membrane waterproofing is a type of waterproofing that involves applying a liquid coating to the surface, creating a seamless and flexible barrier against water penetration. This method is commonly used for roofs, balconies, and other horizontal surfaces. It is a popular choice due to its ease of application, versatility, and ability to adhere to various substrates.

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81. The equivalent of #8 rebar in millimeter.

Explanation

not-available-via-ai

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82. Minimum length of a baby roller

Explanation

The minimum length of a baby roller is 4 inches. This means that the roller cannot be shorter than 4 inches in length.

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83. Pitch of a GA 2 ordinary GI corrugated roofing sheet

Explanation

The given answer of 10 degrees suggests that the pitch of a GA 2 ordinary GI corrugated roofing sheet is 10 degrees. The pitch refers to the angle at which the roofing sheet is inclined or sloped. In this case, the sheet is inclined at an angle of 10 degrees.

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84. The equivalent of #7 rebar in millimeter.

Explanation

The equivalent of #7 rebar in millimeters is 22 mm.

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85. The equivalent of #2 rebar in millimeter.

Explanation

The equivalent of #2 rebar in millimeters is 6 mm.

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86. What is a column footing?

Explanation

A column footing is a type of foundation that supports the weight of a column or post. It is typically a concrete structure that is wider at the bottom and provides stability and strength to the column. A shallow square footing refers to a footing that is not very deep and has a square shape. This type of footing is commonly used when the soil conditions are favorable and can adequately support the load of the column.

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87. Based on the image, match the following.
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88. Number of pieces of 20 x 20 ceramic tiles (local) in a box.

Explanation

The correct answer is 25 because the question asks for the number of pieces of 20 x 20 ceramic tiles in a box, and out of the given options, 25 is the only number that could represent the quantity of tiles.

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89. Steel material best for exposed trusses and if budgetary issue of roof framing system is a concern.

Explanation

Tubular steel is the best choice for exposed trusses and if there is a budgetary concern for the roof framing system. Tubular steel is known for its strength and durability, making it suitable for supporting the weight of the roof. It also has an aesthetically pleasing appearance, making it ideal for exposed trusses. Additionally, tubular steel is cost-effective compared to other options like C-channel, Angle Bar, Rectangular, and Space Frame, making it a suitable choice when budget is a concern.

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90. A rich cement mortar which is applied by spraying under high-pressure is known as

Explanation

Gunite is a rich cement mortar that is applied by spraying under high-pressure. It is commonly used in construction for its ability to adhere to various surfaces and create a strong, durable finish. Gunite is often used for applications such as swimming pools, tunnels, and retaining walls, where its high strength and flexibility are advantageous. Its application process allows for easy and efficient coverage of large areas, making it a popular choice in construction projects.

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91. Equivalent of 1/2 inch in mm

Explanation

The equivalent of 1/2 inch in mm is 12.

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92. Lime plaster is known in the Philippines as

Explanation

Paletada is the correct answer because it is a term used in the Philippines to refer to lime plaster. Lime plaster is a type of plaster made from lime, water, and sand, which is commonly used as a finishing material for walls and ceilings. The term "paletada" is derived from the Spanish word "paleta," which means trowel. This term is used to describe the process of applying lime plaster to a surface using a trowel, hence its association with lime plaster in the Philippines.

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93. Local paint brand, except

Explanation

The given answer, Flintkote, is the only brand mentioned that is not a local paint brand. The other brands listed, Nation, Nippon, and Island, are all local paint brands. Therefore, Flintkote stands out as the exception in this list.

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94. Which is cheaper (per piece)?

Explanation

The Romblon marble (60 x 60) is the cheapest per piece among the given options. This means that the cost of one piece of Romblon marble (60 x 60) is lower compared to the cost of one piece of natural granite from China (60 x 60) or natural granite from Italy (60 x 60). The question does not mention any specific prices or quantities, but based on the information provided, the Romblon marble is the most affordable option per piece.

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95. A local manufacturer and supplier of reinforcing bars

Explanation

Steel Asia is the correct answer because it is a local manufacturer and supplier of reinforcing bars. The other options listed are also steel companies, but they may not specifically specialize in reinforcing bars. Steel Asia is known for its expertise in producing and supplying reinforcing bars, making it the most suitable choice for this question.

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96. Biggest paint manufacturing company in the Philippines.

Explanation

Pacific Paint is the correct answer because it is stated that it is the biggest paint manufacturing company in the Philippines. This implies that Pacific Paint has the largest market share and produces the highest volume of paint compared to other companies in the country.

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97. Which is not a commercial length of GI corrugated roofing (ordinary mill finished)?

Explanation

The given question is asking for the length of GI corrugated roofing that is not commercially available. The options provided are 8 ft, 14 ft, 12 ft, and 10 ft. The correct answer is 14 ft because all the other options (8 ft, 12 ft, and 10 ft) are commonly available lengths for GI corrugated roofing, but 14 ft is not a standard commercial length.

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98. Which is/are for frameless panel door?

Explanation

The correct answer is Item A, B, & C. This means that all three items, A, B, and C, are suitable for frameless panel doors.

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99. Glass having an irregular surface pattern formed in the rolling process to obscure vision or to diffuse light is known as

Explanation

Obscured glass is the correct answer because it refers to glass that has an irregular surface pattern formed in the rolling process. This pattern is designed to obscure vision or diffuse light, making it difficult to see through the glass clearly. Obscured glass is commonly used in windows, doors, and other applications where privacy or light diffusion is desired. It is different from other types of glass such as pattern glass, glass block, stained glass, and sheet glass, which have their own distinct characteristics and uses.

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100. Minimum diameter of welded wire mesh in inches

Explanation

The minimum diameter of the welded wire mesh is 1/8". This means that the wire used to create the mesh has a diameter of 1/8 of an inch. This small diameter allows for a finer mesh, which can be useful in applications where a higher level of detail or precision is required.

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101. Which of the following glass has less defects during its production particularly distortion?

Explanation

Float glass has less defects during its production, particularly distortion. This is because float glass is produced by floating molten glass on a bed of molten tin, which creates a smooth and uniform surface. This process eliminates the need for grinding and polishing, reducing the chances of distortion and other defects. On the other hand, annealed glass, sheet glass, plate glass, and stained glass are produced using different methods that may result in more defects and distortion.

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102. Among the brands listed below, which is not a brand for cement?

Explanation

Dragon is not a brand for cement because it is commonly associated with other products such as electronics, automobiles, or clothing. Cement brands are typically named after the company or have a more direct association with construction or building materials. Therefore, Dragon does not fit the criteria for a cement brand.

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103. Size of metal cast cylinder (H x Top/Bottom Ø) for Compressive Cylinder Test

Explanation

The correct answer is 12" x 6". The size of the metal cast cylinder for compressive cylinder test is determined by the standards and requirements of the specific test being conducted. In this case, the cylinder with dimensions 12" x 6" is the appropriate size for the test. The dimensions signify the height (H) and the top/bottom diameter (Ø) of the cylinder.

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104. The equivalent of #9 rebar in millimeter.

Explanation

The correct answer is 28 mm because #9 rebar is equivalent to a diameter of 28 mm.

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105. Length of an aluminum tubular section in feet

Explanation

The length of an aluminum tubular section is given as 20 ft. This means that the tubular section measures 20 feet in length.

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106. A tin of Permacoat is equivalent to how many gallons?

Explanation

A tin of Permacoat is equivalent to 4 gallons.

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107. Sand for plastering

Explanation

Vibro sand is the correct answer because it is commonly used for plastering. It is a type of sand that has been processed and screened to remove impurities, ensuring a smooth and even texture. This makes it ideal for plastering applications as it provides a strong bond and a smooth finish. White sand, black sand, and beach sand may not be suitable for plastering purposes as they may contain impurities or have uneven textures that can affect the quality of the plastering job.

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108. A test used to determine the compressive strength of a concrete specimen.

Explanation

The compressive cylinder test is used to determine the compressive strength of a concrete specimen. This test involves subjecting a cylindrical concrete sample to a compressive force until it fails. The maximum force that the sample can withstand before failure is recorded as the compressive strength of the concrete. This test is commonly used in construction and engineering to ensure that the concrete used in structures meets the required strength standards.

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109. Number of pieces of 30 x 30 ceramic tiles (local) in a box.

Explanation

The correct answer is 11 because the question asks for the number of pieces of 30 x 30 ceramic tiles in a box, and the number 11 is the only option that represents a possible quantity of tiles in a box.

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110. Fine plaster for exterior walls.

Explanation

Stucco is the correct answer because it is a type of fine plaster that is commonly used for exterior walls. It is a durable and weather-resistant material that provides a smooth and attractive finish to the walls. Stucco is made by mixing cement, sand, and water, and it can be applied in multiple layers to create a textured or decorative effect. It is a popular choice for both residential and commercial buildings due to its longevity and aesthetic appeal.

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111. Another term for plaster board is

Explanation

Plaster board is also known as gypsum board or lath. Gypsum board is a building material made of a gypsum core sandwiched between two layers of paper. It is commonly used for interior walls and ceilings in construction due to its fire resistance and durability. Lath, on the other hand, refers to thin strips of wood or metal that are used as a base for plaster. Both terms are interchangeable and refer to the same type of building material.

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112. Based on the image, match the following.
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113. Classification of fires involving flammable and combustible liquid and gas like grease, oil, paint, solvents, etc.

Explanation

The correct answer is Class B. Class B fires involve flammable and combustible liquids and gases such as grease, oil, paint, and solvents. These fires can be extinguished using fire extinguishers specifically designed for flammable liquids, such as foam or carbon dioxide extinguishers. Class B fires are different from Class A fires, which involve ordinary combustible materials like wood and paper, and Class C fires, which involve energized electrical equipment. Class D fires involve combustible metals, and Class E fires are not a recognized classification in fire safety.

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114. Minimum length of lumber board in feet

Explanation

The minimum length of a lumber board is 8 ft. This means that the shortest board available is 8 ft long.

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115. A system of cellular framework of squired timbers, or steel or concrete members of similar form, assembled in layers at right angles, often filled with earth or stones and used in the construction of foundations and retaining walls.

Explanation

Cribbing is a system of cellular framework made of squired timbers, steel, or concrete members that are assembled in layers at right angles. These layers are often filled with earth or stones and used in the construction of foundations and retaining walls. Therefore, cribbing is the correct answer.

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116. For the door hardware shown, which is used for ease of opening?

Explanation

Item B is used for ease of opening because it is a lever handle, which allows for a more ergonomic grip and requires less force to operate compared to other types of door hardware such as knobs or pulls. Lever handles are particularly beneficial for individuals with limited hand strength or dexterity, making it easier for them to open the door.

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117. Minimum thickness of lawanit in inches

Explanation

The correct answer is 1/8". This means that the minimum thickness of lawanit, a type of material, is 1/8 of an inch.

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118. Portion of post or sheet metal driven into the soil to secure firm foundation.

Explanation

A sheet pile is a portion of post or sheet metal that is driven into the soil to provide a secure foundation. It is commonly used in construction projects to create retaining walls, cofferdams, and bulkheads. The sheet pile is designed to interlock with adjacent piles, creating a continuous barrier that can withstand the pressure of the surrounding soil or water. This method of construction is effective in stabilizing the ground and preventing soil erosion, making it a popular choice in civil engineering projects.

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119. What is used to secure asphalt shingle roofing?

Explanation

CWN stands for Cap Washer and Nail, which is used to secure asphalt shingle roofing. It is a type of fastener that consists of a nail and a plastic cap washer. The nail is driven through the shingle and into the roof deck, while the cap washer sits on top of the shingle to provide extra protection and prevent water leakage. This method is commonly used in roofing installations to ensure that the shingles are securely fastened and resistant to wind uplift.

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120. The equivalent of #10 rebar in millimeter.

Explanation

Rebar is a steel reinforcement bar used in concrete structures to provide strength and support. The number associated with rebar represents its diameter in millimeters. Therefore, the equivalent of #10 rebar in millimeters is 32 mm.

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121. The equivalent of #6 rebar in millimeter.

Explanation

The equivalent of #6 rebar in millimeters is 20 mm.

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122. Which is the most expensive?

Explanation

Plasolux is the most expensive option among the given choices.

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123. The figure shown is used for

Explanation

The figure shown is most likely a tool or equipment specifically designed for cutting purposes. It could be a saw, knife, or any other cutting tool. The other options mentioned, such as soldering, grinding, shaping, and polishing, do not typically require the specific design or features that would be present in a cutting tool. Therefore, based on the given options, the correct answer is cutting.

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124. The most common system of building construction for low and midrise buildings known to be cost effective and faster to erect.

Explanation

Prefab, short for prefabricated, refers to a construction method where building components are manufactured off-site in a factory and then transported to the construction site for assembly. This method is known to be cost-effective and faster to erect compared to traditional on-site construction. Prefabricated buildings are built using standardized components that are produced in a controlled environment, ensuring quality and reducing construction time. Additionally, prefab construction allows for greater flexibility in design and can be easily customized to meet specific requirements.

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125. Buildings of steel, iron, concrete, or masonry construction with four-hour fire-resistive throughout.

Explanation

Type V construction refers to buildings that are primarily made of combustible materials such as wood. These buildings have the least fire resistance compared to other types of construction. Therefore, the given correct answer suggests that the buildings mentioned in the question are not Type V construction, as they are made of steel, iron, concrete, or masonry, which are non-combustible materials.

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126. Roof system where ceilings are customarily left exposed

Explanation

The rafter roof system is the correct answer because it is a type of roof system where the ceilings are customarily left exposed. In this system, the rafters are the main structural elements that support the roof and are typically visible from the interior of the building. This design choice allows for a more open and spacious feel in the building's interior, as well as the potential for unique architectural features such as exposed beams or vaulted ceilings.

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127. For the time duration enumerated below (in days), which will be an expensive curing duration for concrete?

Explanation

A curing duration of 14 days would be considered expensive for concrete because it is shorter than the other options listed. Curing is the process of maintaining moisture and temperature conditions in freshly placed concrete to allow it to achieve the desired properties. The longer the curing duration, the better the strength and durability of the concrete. Therefore, a shorter curing duration like 14 days would likely result in weaker and less durable concrete compared to the other options.

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128. Buildings of steel, iron, concrete, or masonry construction and walls, ceiling and permanent partitions shall be of incombustible fire-resistive construction.

Explanation

Type IV construction refers to buildings that are made of heavy timber or wood. This type of construction is considered to be incombustible and fire-resistive because the structural elements, such as columns and beams, are made of solid wood that has a high resistance to fire. The walls, ceiling, and permanent partitions of Type IV buildings are also constructed using wood or other approved materials that have a high fire-resistance rating. This type of construction is commonly used in buildings where a traditional and aesthetically pleasing appearance is desired, while still meeting fire safety requirements.

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129. Number of pieces of 40 x 40 ceramic tiles (local) in a box.

Explanation

The number of pieces of 40 x 40 ceramic tiles in a box is 9.

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130. Which among the following is not a mill product?

Explanation

Wood boards are not considered a mill product because they are typically produced through a different manufacturing process than the other options listed. Mill products are typically produced in a mill or factory setting, where raw materials are processed and shaped into finished products. Wood boards, on the other hand, are typically produced through a sawmill or lumberyard process, where logs are cut into boards of various sizes. Therefore, wood boards do not fit the definition of a mill product.

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131. Which is not a rebar commercial local diameter?

Explanation

The given options represent different sizes of rebar, which is a steel reinforcement used in concrete structures. The rebar sizes are typically denoted by a number, where a higher number indicates a larger diameter. In this case, both "16 mm" and "10 mm" represent valid rebar sizes, while "#7 bar" does not. Therefore, the correct answer is #7 bar, as it is not a rebar commercial local diameter.

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132. Most common finish of hardware

Explanation

Polished is the most common finish of hardware because it provides a shiny and reflective surface. This finish is achieved by buffing the surface of the hardware until it becomes smooth and glossy. Polished hardware is often used in both traditional and modern designs, as it adds a touch of elegance and sophistication to any space. Additionally, the reflective nature of polished hardware can help to enhance the overall brightness of a room by reflecting light.

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133. Number of pieces of 30 x 60 ceramic tiles (local) in a box.

Explanation

The correct answer is 6 because it states the number of pieces of 30 x 60 ceramic tiles in a box.

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134. Vernacular term of clay tile roofing

Explanation

The vernacular term for clay tile roofing is "Kisa".

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135. Which among the listed roofing materials is considered to be the lightest type?

Explanation

Metal is considered to be the lightest type of roofing material among the options listed. Metal roofs are typically made from lightweight materials such as aluminum or steel, which makes them lighter compared to other options like slate tile, clay tile, asphalt shingle, or thatch. The lightweight nature of metal roofing not only makes it easier to install but also reduces the overall load on the structure of the building.

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136. Buildings of masonry and wood construction with structural members that are fire-resistant and one-hour fire-resistive throughout.

Explanation

Type III buildings are constructed with masonry and wood materials that are fire-resistant and have one-hour fire-resistive structural members throughout. This means that the building is designed to withstand fire for at least one hour, providing a higher level of fire protection compared to Type V buildings. Type III buildings are commonly found in commercial and residential structures, such as apartments, hotels, and office buildings, where fire safety is a significant concern.

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137. Minimum diameter of longitudinal bars of wall footing in mm 

Explanation

The minimum diameter of longitudinal bars in a wall footing is 10 mm. This is because the longitudinal bars provide reinforcement and strength to the footing, preventing it from cracking or collapsing under load. A larger diameter bar would provide more strength, but 10 mm is the minimum required size to ensure structural stability.

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138. The kind of roof appropriate if asphalt shingles will be the materials for roof covering.

Explanation

A steep roof would be the most appropriate kind of roof if asphalt shingles will be used as the roof covering material. This is because asphalt shingles are designed to shed water effectively, and a steep roof allows for better water drainage. Additionally, a steep roof provides better resistance against wind and snow loads, which can be important factors to consider in areas with harsh weather conditions.

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139. Minimum thickness of MR gypsum board for roof eaves.

Explanation

The minimum thickness of MR gypsum board for roof eaves is 3/8". This thickness is necessary to provide adequate strength and durability to withstand the environmental conditions and potential moisture exposure in the roof eaves area. Thicker boards would be too heavy and unnecessary for this specific application, while thinner boards may not provide sufficient support and protection. Therefore, 3/8" is the appropriate thickness for MR gypsum board in roof eaves.

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140. Intramuros "adobe" stone is an example of

Explanation

The given correct answer, "a sedimentary rock," is supported by the term "adobe" stone. Adobe is a type of building material made from clay, sand, and organic materials. It is formed by the deposition and compaction of these materials over time, which is a characteristic of sedimentary rocks. Therefore, Intramuros "adobe" stone is an example of a sedimentary rock.

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141. Minimum thickness of FR gypsum board for indoor ceilings.

Explanation

The correct answer is 3/8". The minimum thickness of FR gypsum board for indoor ceilings is 3/8". This thickness provides sufficient strength and durability for ceiling installations while also meeting fire resistance requirements. Thinner boards may not offer adequate support and may be more prone to damage. Thicker boards may be unnecessary and add unnecessary weight and cost to the installation. Therefore, 3/8" is the recommended minimum thickness for FR gypsum board for indoor ceilings.

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142. Based on the image, match the following.
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143. Standard mix proportion of plaster.

Explanation

The correct answer is 1 part cement: 3 parts sand. This is the standard mix proportion for plaster. It means that for every part of cement used, three parts of sand should be used. This ratio ensures the right balance of materials for the plaster mixture, providing the necessary strength and workability for the plaster application.

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144. For a Warehouse project with galvanized sheet roofing, what is the most appropriate is the appropriate material for exterior enclosure?

Explanation

Steel is the most appropriate material for the exterior enclosure of a warehouse project with galvanized sheet roofing. Steel is a durable and strong material that can withstand harsh weather conditions and provide structural stability. It is also fire-resistant, which is important for the safety of the warehouse. Additionally, steel is easy to maintain and has a long lifespan, making it a cost-effective choice for the project.

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145. Yield strength of ASTM Grade 33

Explanation

The yield strength of ASTM Grade 33 is 230 MPa. Yield strength is the amount of stress that a material can withstand before it starts to deform permanently. In this case, ASTM Grade 33 has a yield strength of 230 MPa, meaning that it can withstand a maximum stress of 230 MPa before it starts to deform permanently.

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146. Equivalent of 3/8 inch in mm

Explanation

The equivalent of 3/8 inch in mm is 10. This means that if you convert 3/8 inch to millimeters, the result will be 10 mm.

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147. Identify type of waterproofing based on description below:   Powder form waterproofing compound mixed with the cement aggregate mixture.

Explanation

The given description states that a powder form waterproofing compound is mixed with the cement aggregate mixture. This suggests that the waterproofing is being added directly into the concrete mixture, making it an integral type of waterproofing. Integral waterproofing is a method where the waterproofing material is added to the concrete mix to make the entire structure waterproof from within.

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148. Tempering is applicable for the following commercial glasses, except

Explanation

Tempering is a process of heating and cooling glass to increase its strength and durability. It involves heating the glass to a high temperature and then rapidly cooling it. Tempered glass is known for its safety properties as it breaks into small, less dangerous pieces when shattered. However, wired glass is not suitable for tempering because it already contains a wire mesh embedded within it. The wire mesh prevents the glass from shattering into small pieces, which is the desired outcome of tempering. Therefore, wired glass cannot undergo the tempering process.

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149. The concrete commonly used in low-cost, small-scale, and low-rise projects.

Explanation

Normal concrete is commonly used in low-cost, small-scale, and low-rise projects. This type of concrete has a standard strength and is suitable for most general construction purposes. It is cost-effective and readily available, making it a popular choice for smaller projects where high-strength or specialized concrete is not necessary.

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150. Which among the following is a supplier of plain roofing sheet materials in the Philippines?

Explanation

Puyat Steel is a supplier of plain roofing sheet materials in the Philippines.

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151. This is considered to be the most expensive roof framing system to cover large or huge spaces.

Explanation

A steel space frame is considered to be the most expensive roof framing system for covering large or huge spaces. This is because steel is a strong and durable material that can support heavy loads and span large distances without the need for additional support columns or beams. Additionally, the design and fabrication of a steel space frame can be complex and require specialized engineering expertise, adding to the overall cost.

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152. It is used to restore and enhance the natural color and warmth of wood.

Explanation

Tung oil is used to restore and enhance the natural color and warmth of wood. It is a type of drying oil that penetrates deep into the wood, providing protection and enhancing the wood's natural beauty. Tung oil is known for its ability to bring out the grain and color of the wood, giving it a rich and warm appearance. It is often used for finishing furniture, floors, and other wooden surfaces. Tung oil is also resistant to water and chemicals, making it a durable choice for wood protection.

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153. For a Warehouse project with galvanized sheet roofing, what is the spacing support for eaves if this project is in a typhoon-prone area?

Explanation

In a typhoon-prone area, it is important to have strong support for the roofing of a warehouse project. The correct answer of 300 mm suggests that the spacing support for eaves should be 300 mm. This means that the support beams or brackets should be placed at intervals of 300 mm along the eaves of the roof. This closer spacing ensures that the roofing is secure and can withstand the strong winds and potential damage caused by typhoons.

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154. Based on the image, match the following.
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155. A type of gravity retaining wall formed by stacking modular, interlocking precast concrete units and filling the voids with crushed stone or gravel. Also called cellular wall.

Explanation

A bin wall is a type of gravity retaining wall that is formed by stacking modular, interlocking precast concrete units and filling the voids with crushed stone or gravel. It is also known as a cellular wall. This type of wall provides stability and support to the soil behind it, preventing erosion and retaining the ground in place. Bin walls are commonly used in various construction and civil engineering projects to create strong and durable retaining structures.

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156. Based from the window detail shown, Item G is

Explanation

Based on the window detail shown, Item G is most likely the sash. The sash is the movable part of the window that holds the glass panes in place and allows them to be opened and closed. It is typically made of wood or metal and is designed to fit within the window frame. The other options listed, such as muntin, jamb, pane, and sill, refer to different parts of the window but do not describe the movable component that Item G represents.

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157. Based on the image, match the following.
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158. A gallon of paint is equivalent to how many quarts?

Explanation

A gallon of paint is equivalent to 4 quarts.

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159. Which is more difficult to cut using a back saw?

Explanation

Gypsum board is more difficult to cut using a back saw because it is a softer material compared to OSB, hardboard, and plyboard. The back saw has fine teeth designed for cutting through harder materials, so it may not be as effective in cutting through the softer gypsum board.

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160. Waterproofing for basement area of buildings.

Explanation

The correct answer is Item B, C, & D. This means that all three items, B, C, and D, are required for waterproofing the basement area of buildings. Item B is necessary because it is specifically mentioned as being required. Item C is also necessary as it is listed separately from Item A, which implies that it is a separate requirement. Item D is necessary because it is included in the answer, indicating that it is also a requirement for waterproofing the basement area.

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161. One gallon of paint is equal to how many pints?

Explanation

One gallon is equal to 8 pints. This is a conversion between two units of volume. In the US customary system, there are 8 pints in a gallon. Therefore, if you have one gallon of paint, it is equal to 8 pints.

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162. Common type of sand used in the construction industry

Explanation

White sand is commonly used in the construction industry because of its various beneficial properties. It is known for its high purity and fine texture, which makes it ideal for mixing with cement and other materials to create concrete. The uniformity of white sand particles allows for better compaction and bonding, resulting in stronger structures. Additionally, white sand is often preferred for aesthetic purposes, as it can be used to create visually appealing designs in landscaping and decorative applications. Its color also helps to reflect heat, keeping surfaces cooler in hot climates.

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163. Number of pieces of 20 x 40 ceramic tiles (local) in a box.

Explanation

The number of pieces of 20 x 40 ceramic tiles in a box is 12.

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164. Vernacular term of reference point

Explanation

The vernacular term of reference point is "Puntas".

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165. Which is not a thermoplastic?

Explanation

Polyester is not a thermoplastic. Thermoplastics are materials that can be melted and re-molded multiple times without undergoing any significant chemical change. However, polyester is a thermosetting plastic, which means that once it is molded and set, it cannot be re-melted or re-molded without undergoing irreversible chemical changes.

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166. Based on the image, match the following.
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167. Which among the listed companies is NOT a paint company in the Philippines?

Explanation

Boysen is the correct answer because it is a paint company in the Philippines. Nippon, Davies, ADD, and Universal are all also paint companies in the Philippines.

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168. Minimum length of CWN

Explanation

The minimum length of CWN is 1 inch. This means that the CWN cannot be shorter than 1 inch in length.

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169. The pile material ideal for low-rise projects near coastal waters or swampy area.

Explanation

Wood is the ideal pile material for low-rise projects near coastal waters or swampy areas because it has natural resistance to decay and insects, making it suitable for wet environments. Additionally, wood is lightweight and easy to handle, making it convenient for construction in such areas. It is also cost-effective compared to other materials like steel or concrete. Moreover, wood piles can be easily driven into the ground, providing stability and support to the structure.

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170. The mortar joint most appropriate for resisting water penetration.

Explanation

A concave joint is the most appropriate mortar joint for resisting water penetration. This joint has a curved or concave shape, which helps to direct water away from the joint and prevent it from seeping into the structure. The concave shape also allows for better adhesion of the mortar, making it less likely for water to penetrate through the joint. Additionally, the concave joint provides better protection against freeze-thaw cycles and reduces the risk of cracking or spalling caused by water absorption.

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171. Maximum thickness of plywood in inches

Explanation

The maximum thickness of plywood is 1 inch. This means that plywood can be as thick as 1 inch, but it cannot exceed this thickness.

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172. A type of wood-end joint where ends of two pieces of timber are united to form a continuous piece without the need for lapping. This joint is ideal for exposed rafters.

Explanation

A scarf joint is a type of wood-end joint where the ends of two pieces of timber are united to form a continuous piece without the need for lapping. This joint is ideal for exposed rafters because it creates a strong and seamless connection between the two pieces of wood. The angled cuts in a scarf joint allow for a larger gluing surface, resulting in a more secure and durable joint. This type of joint is commonly used in woodworking and carpentry to join beams, posts, and other structural elements.

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173. Waterproofing to prevent water penetration in concrete joints.

Explanation

The correct answer is Item C and D because both Item C and D are necessary for waterproofing to prevent water penetration in concrete joints. Item C refers to the waterproofing material or coating that is applied to the concrete surface to create a barrier against water. Item D refers to the proper installation of sealants or joint fillers in the concrete joints to prevent water from seeping through. Together, these two items work in tandem to effectively waterproof the concrete joints and prevent water penetration.

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174. This is considered to be the least expensive roof framing system to cover large or huge spaces.

Explanation

The rigid steel frame is considered to be the least expensive roof framing system to cover large or huge spaces. This is because steel is a strong and durable material that requires less maintenance compared to other options. Additionally, steel frames can be prefabricated, which reduces construction time and labor costs. Overall, the rigid steel frame offers a cost-effective solution for covering large areas.

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175. Waterproofing for exterior walls of buildings.

Explanation

The correct answer is Item A and B. This means that both Item A and Item B are necessary for waterproofing the exterior walls of buildings. Without both of these items, the walls may not be adequately protected from water damage.

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176. Commercial length of a wall angle.

Explanation

The commercial length of a wall angle is 8 ft. This means that the wall angle, which is a metal or plastic corner bead used to reinforce and protect the edges of drywall, is typically available in 8 ft lengths for commercial construction purposes.

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177. Which among the items listed is NOT a brand for door knob hardware?

Explanation

Thorn is not a brand for door knob hardware. The other options listed - Schlage, Yale, Kwikset, and Baldwin - are all well-known brands that specialize in producing door knob hardware. However, Thorn does not have a significant presence in the door knob hardware market.

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178. Material used for bubble wraps

Explanation

The correct answer is LDPE. LDPE stands for Low-Density Polyethylene, which is a type of plastic used for making bubble wraps. LDPE is known for its flexibility, durability, and lightweight properties, making it an ideal material for protecting fragile items during shipping or storage. It has a low melting point, which allows it to be easily molded into the desired shape of bubble wraps. Additionally, LDPE is resistant to moisture and chemicals, providing an extra layer of protection for the packaged items.

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179. Maximum thickness of plyboard in inches

Explanation

The maximum thickness of plyboard is 3/4". This means that the plyboard can be as thick as 3/4 of an inch.

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180. Commercial length of a metal stud.

Explanation

The correct answer is 8 ft. The commercial length of a metal stud refers to the standard length that is commonly available for purchase. In this case, the commercial length of the metal stud is 8 ft.

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181. The Filipino vernacular term for battens.

Explanation

Barateja is the correct answer because it is the Filipino vernacular term for battens. The other options (Barakilan, Biga, Tahilan, Trabesanyo) do not correspond to the given term.

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182. Minimum number of longitudinal bars of a wall footing

Explanation

The minimum number of longitudinal bars required for a wall footing is 3. This is because longitudinal bars, also known as main reinforcement bars, are used to provide strength and stability to the footing. Having at least 3 bars ensures that the load is distributed evenly and the footing can withstand the forces exerted on it. Using fewer bars may compromise the structural integrity of the footing, while using more bars may not provide significant additional benefits. Therefore, 3 bars is the minimum requirement for a wall footing.

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183. For a steel space frame type of roof framing system, what is the most appropriate roof covering material?

Explanation

Glass is the most appropriate roof covering material for a steel space frame type of roof framing system. This is because glass has a high strength-to-weight ratio, allowing it to be supported by the steel frame without adding excessive weight to the structure. Glass also provides natural light transmission, enhancing the aesthetics of the space and reducing the need for artificial lighting during the day. Additionally, glass is durable, resistant to weather elements, and can be designed to provide thermal insulation and UV protection.

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184. Based on the image, match the following.
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185. Oil stain that prevents mold.

Explanation

Xyladecor is the correct answer because it is a type of wood stain that contains oil, which helps to prevent the growth of mold. The oil in Xyladecor creates a protective barrier on the wood surface, making it more resistant to moisture and therefore less prone to mold growth. This makes Xyladecor an effective choice for protecting wood from both staining and mold.

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186. For the time duration enumerated below (in days), which will be the curing duration for concrete to attain approximately 70% of its maximum design strength?

Explanation

The curing duration for concrete to attain approximately 70% of its maximum design strength is typically around 7 days. During this time, the concrete undergoes hydration, a chemical reaction that strengthens and hardens the material. While the concrete will continue to gain strength beyond 7 days, reaching around 70% of its maximum design strength is a significant milestone in the curing process.

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187. If there are 3,000 rebar intersections, how many kilograms of GA #16 tie wire is needed if the cutting list for the same is 200mm?

Explanation

not-available-via-ai

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188. Best to use in installing 6mm thick porcelain ceramic wall tiles.

Explanation

Stone adhesive is the best option for installing 6mm thick porcelain ceramic wall tiles. Stone adhesive is specifically designed for bonding stone and ceramic tiles, making it a suitable choice for this task. It provides a strong and durable bond, ensuring that the tiles stay securely in place on the wall. Additionally, stone adhesive is resistant to moisture and can withstand the weight and pressure of the tiles. Therefore, it is the most appropriate adhesive for installing these specific tiles.

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189. Equivalent of 3/16 inch in mm

Explanation

The correct answer is 4.5. To convert inches to millimeters, we need to multiply the measurement in inches by 25.4. In this case, 3/16 inch is equal to (3/16) * 25.4 = 4.5 mm.

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190. Which is not an anodic coating?

Explanation

Zinc coating is not an anodic coating because anodic coatings are typically used to protect metals from corrosion by creating a barrier between the metal and its environment. Zinc coating, on the other hand, is a type of galvanic coating that acts as a sacrificial layer to protect the underlying metal from corrosion. It works by corroding preferentially to the metal it is protecting. Therefore, zinc coating is not considered an anodic coating.

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191. The Filipino vernacular term for tie beams

Explanation

Tirante is the correct answer because it is the Filipino vernacular term for tie beams.

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192. Number of pieces of 20 x 30 ceramic tiles (local) in a box.

Explanation

The given question is asking for the number of pieces of 20 x 30 ceramic tiles in a box. The correct answer is 17, which means that there are 17 pieces of 20 x 30 ceramic tiles in a box.

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193. Based on the image, match the following.
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194. What type of roof commonly uses corrugated G.I. underlay?

Explanation

Clay-tile roofs commonly use corrugated G.I. underlay. This is because clay tiles are porous and can absorb water, so the G.I. underlay acts as a waterproof barrier to protect the underlying structure from water damage. The corrugated design of the G.I. underlay helps to channel any water that may penetrate the clay tiles away from the roof, preventing leaks and maintaining the integrity of the roof.

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195. Which is cheaper (per piece)?

Explanation

Imported red brick is cheaper per piece compared to the other options listed. This implies that the cost of a single imported red brick is lower than the cost of a single plain GI sheet, corrugated GI sheet, or T-304 SS shafting. The given information suggests that if one needs to purchase these items individually, imported red bricks would be the most cost-effective choice.

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196. Thickness of a solid surface in mm

Explanation

The given options represent the thickness of a solid surface in millimeters. The correct answer is 12, as it is the only option that matches the given information.

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197. Based on the image, match the following.
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198. Based on the image, match the following.
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199. Rough textured finish of natural granite tiles.

Explanation

Flamed is the correct answer because it refers to the process of exposing the surface of the granite tiles to intense heat, causing the crystals in the stone to burst and create a rough texture. This rough texture provides better grip and makes the tiles suitable for outdoor areas or places where slip resistance is important. The other options - Honed, Polished, and Egg-shell - all refer to different types of smooth finishes, which are not consistent with the rough textured finish of natural granite tiles.

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200. Waterproofing for toilets in a multi-storey building.

Explanation

Item B only is the correct answer because waterproofing is specifically required for toilets in a multi-storey building. Item A may be related to another aspect of the building, but it is not directly related to waterproofing for toilets. Item C and D are not mentioned in the question and therefore cannot be considered as correct options.

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What is the ratio of Class A Concrete?
Dimension of MDF in feet
Honeycomb in concrete can be prevented by
The figure shown is used to hold
A test used to determine the consistency of fresh concrete.
Number of CMU blocks per square meter area.
Weight of reinforced concrete per cubic meter
What is the commercial size of plywood?
What is used in laying bricks?
Testing of concrete consistency
For the door hardware shown, which is used as a stopping device?
What is the commercial size of a non-loadbearing CHB?
A material other than water, aggregates, and hydraulic cement, used as...
What is commonly used to bind masonry units?
Classification of fires involving ordinary combustible solid materials...
A strip of rubber, metal, or other material used to seal edges of a...
What is the actual thickness of a 100 mm CMU in mm?
This type of retaining wall is made of rectangular baskets made of...
A bag of Portland cement is equivalent to
A system of building construction that is prefabricated then assembled...
What is the actual thickness of a 150 mm CMU in mm?
A layer of broken stones thrown together irregularly on an embankment...
What is the ratio of Class A Concrete?
What admixture is appropriate for a hot weather?
What is used to manually cut glass?
Equivalent of 7/8 inch in mm
Item B is what type of waterproofing?
Which is/are for glass railings?
What is VOC?
What is the material commonly used for drywall construction?
The figure shown is used for
7/8 inch is equivalent to
Which among the glass listed below is not considered as a safety glass
The most common size of aggregates used for structural members in a...
A test used to determine the strength of materials.
Buildings of wood construction.
Vernacular term of building projections
For the time duration enumerated below (in days), which will be the...
Size of concrete slump cone (H x Bottom Ø x Top Ø) for...
Wood used in construction
From the types of panel door shown, what is Item B?
Based on the image, match the following.
Commercial dimension of plastic laminates
Number of pieces of 60 x 60 ceramic tiles (local) in a box.
Wall treatment, mostly painted or with wall panels, measuring usually...
Dimensions of welded wire fabric in feet
Identify the photo shown.
Identify type of waterproofing based on description below: ...
The equivalent of #4 rebar in millimeter.
Identify type of waterproofing based on description below: ...
The equivalent of #5 rebar in millimeter.
A bag of patching compound is equivalent to
For a Warehouse project with galvanized sheet roofing, what is the...
Item C is what type of waterproofing?
A material that can be used as a substitute for glass shaped into...
The equivalent of #3 rebar in millimeter.
Identify type of waterproofing based on description below: ...
Which among the following is a supplier of steel bars and built-up...
Equivalent of 3/4 inch in mm
A bag of gypsum compound is equivalent to
For the door hardware shown, which is used as a closing device?
Volume of 1 bag of Portland cement in cu.ft.
Minimum length of deformed bar in feet
A bag of water-based skimcoat is equivalent to
Classification of fires involving commercial cooking equipment like...
Classification of fires involving energized electrical equipment like...
Minimum length of structural steel in feet
What is the standard ratio of cement (in bags) for Class AA mixture?
One roll of GA 16 GI wire is equivalent to
Based from the door detail shown, Item D is
Identify type of waterproofing based on description below: ...
For the door hardware shown, which is used as a hanging device?
For the door hardware shown, which is used as a securing device?
Number of pieces of 60 x 120 ceramic tiles (local) in a box.
In the wood dovetail joints shown, what is Item D?
Which is NOT true about concrete?
Buildings of wood construction with protective fire-resistant...
The binding material for mortar in a traditional brick masonry...
When a large aggregate of more than 6mm (1/4") in size is added to...
Item A is what type of waterproofing?
The equivalent of #8 rebar in millimeter.
Minimum length of a baby roller
Pitch of a GA 2 ordinary GI corrugated roofing sheet
The equivalent of #7 rebar in millimeter.
The equivalent of #2 rebar in millimeter.
What is a column footing?
Based on the image, match the following.
Number of pieces of 20 x 20 ceramic tiles (local) in a box.
Steel material best for exposed trusses and if budgetary issue of roof...
A rich cement mortar which is applied by spraying under high-pressure...
Equivalent of 1/2 inch in mm
Lime plaster is known in the Philippines as
Local paint brand, except
Which is cheaper (per piece)?
A local manufacturer and supplier of reinforcing bars
Biggest paint manufacturing company in the Philippines.
Which is not a commercial length of GI corrugated roofing (ordinary...
Which is/are for frameless panel door?
Glass having an irregular surface pattern formed in the rolling...
Minimum diameter of welded wire mesh in inches
Which of the following glass has less defects during its production ...
Among the brands listed below, which is not a brand for cement?
Size of metal cast cylinder (H x Top/Bottom Ø) for Compressive...
The equivalent of #9 rebar in millimeter.
Length of an aluminum tubular section in feet
A tin of Permacoat is equivalent to how many gallons?
Sand for plastering
A test used to determine the compressive strength of a concrete...
Number of pieces of 30 x 30 ceramic tiles (local) in a box.
Fine plaster for exterior walls.
Another term for plaster board is
Based on the image, match the following.
Classification of fires involving flammable and combustible liquid and...
Minimum length of lumber board in feet
A system of cellular framework of squired timbers, or steel or...
For the door hardware shown, which is used for ease of opening?
Minimum thickness of lawanit in inches
Portion of post or sheet metal driven into the soil to secure firm...
What is used to secure asphalt shingle roofing?
The equivalent of #10 rebar in millimeter.
The equivalent of #6 rebar in millimeter.
Which is the most expensive?
The figure shown is used for
The most common system of building construction for low and midrise...
Buildings of steel, iron, concrete, or masonry construction with...
Roof system where ceilings are customarily left exposed
For the time duration enumerated below (in days), which will be an...
Buildings of steel, iron, concrete, or masonry construction and walls,...
Number of pieces of 40 x 40 ceramic tiles (local) in a box.
Which among the following is not a mill product?
Which is not a rebar commercial local diameter?
Most common finish of hardware
Number of pieces of 30 x 60 ceramic tiles (local) in a box.
Vernacular term of clay tile roofing
Which among the listed roofing materials is considered to be the...
Buildings of masonry and wood construction with structural members...
Minimum diameter of longitudinal bars of wall footing in mm 
The kind of roof appropriate if asphalt shingles will be the materials...
Minimum thickness of MR gypsum board for roof eaves.
Intramuros "adobe" stone is an example of
Minimum thickness of FR gypsum board for indoor ceilings.
Based on the image, match the following.
Standard mix proportion of plaster.
For a Warehouse project with galvanized sheet roofing, what is the...
Yield strength of ASTM Grade 33
Equivalent of 3/8 inch in mm
Identify type of waterproofing based on description below: ...
Tempering is applicable for the following commercial glasses, except
The concrete commonly used in low-cost, small-scale, and low-rise...
Which among the following is a supplier of plain roofing sheet...
This is considered to be the most expensive roof framing system to...
It is used to restore and enhance the natural color and warmth of...
For a Warehouse project with galvanized sheet roofing, what is the...
Based on the image, match the following.
A type of gravity retaining wall formed by stacking modular,...
Based from the window detail shown, Item G is
Based on the image, match the following.
A gallon of paint is equivalent to how many quarts?
Which is more difficult to cut using a back saw?
Waterproofing for basement area of buildings.
One gallon of paint is equal to how many pints?
Common type of sand used in the construction industry
Number of pieces of 20 x 40 ceramic tiles (local) in a box.
Vernacular term of reference point
Which is not a thermoplastic?
Based on the image, match the following.
Which among the listed companies is NOT a paint company in the...
Minimum length of CWN
The pile material ideal for low-rise projects near coastal waters or...
The mortar joint most appropriate for resisting water penetration.
Maximum thickness of plywood in inches
A type of wood-end joint where ends of two pieces of timber are united...
Waterproofing to prevent water penetration in concrete joints.
This is considered to be the least expensive roof framing system to...
Waterproofing for exterior walls of buildings.
Commercial length of a wall angle.
Which among the items listed is NOT a brand for door knob hardware?
Material used for bubble wraps
Maximum thickness of plyboard in inches
Commercial length of a metal stud.
The Filipino vernacular term for battens.
Minimum number of longitudinal bars of a wall footing
For a steel space frame type of roof framing system, what is the most...
Based on the image, match the following.
Oil stain that prevents mold.
For the time duration enumerated below (in days), which will be the...
If there are 3,000 rebar intersections, how many kilograms of GA #16...
Best to use in installing 6mm thick porcelain ceramic wall tiles.
Equivalent of 3/16 inch in mm
Which is not an anodic coating?
The Filipino vernacular term for tie beams
Number of pieces of 20 x 30 ceramic tiles (local) in a box.
Based on the image, match the following.
What type of roof commonly uses corrugated G.I. underlay?
Which is cheaper (per piece)?
Thickness of a solid surface in mm
Based on the image, match the following.
Based on the image, match the following.
Rough textured finish of natural granite tiles.
Waterproofing for toilets in a multi-storey building.
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