Bt-1 Membrane Structures Quiz
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Questions and Answers
- 1.
First tensile structure in the Middle East that resembled the modern day structures
- A.
Teepee
- B.
Sheep skin Tent
- C.
Black Tent
- D.
Wigwam
Correct Answer
C. Black TentExplanation
The black tent is the correct answer because it is the first tensile structure in the Middle East that resembled modern day structures. This suggests that the black tent was a significant development in architectural design and had a lasting impact on the region. The other options, such as the teepee, sheep skin tent, and wigwam, are not relevant to the Middle East or the development of modern day structures.Rate this question:
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- 2.
It is the most durable architectural fabric available today, has a lifespan exceeding 30 years.
- A.
PTFE (Polytetrafluoroethylene)
- B.
PVC (PolyVinylChloride)
- C.
Woven Fiberglass
- D.
Polyester
Correct Answer
A. PTFE (Polytetrafluoroethylene)Explanation
PTFE (Polytetrafluoroethylene) is the correct answer because it is known to be the most durable architectural fabric available today, with a lifespan exceeding 30 years. PTFE is a synthetic fluoropolymer of tetrafluoroethylene and is widely used in architectural applications due to its exceptional strength, resistance to UV radiation, and ability to withstand extreme weather conditions. It is also known for its self-cleaning properties, low maintenance requirements, and high fire resistance. Overall, PTFE is the most suitable option for long-lasting and durable architectural fabric.Rate this question:
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- 3.
The shortening of a membrane between its prestressed an unstressed condition must be ______ differently in warp and weft conditions.
- A.
Patterned
- B.
Alternating
- C.
Compensated
- D.
Replaced
Correct Answer
C. CompensatedExplanation
When a membrane shortens, it means that it is becoming smaller in size. In this context, the shortening of a membrane between its prestressed and unstressed condition must be "compensated" differently in warp and weft conditions. This suggests that the compensation or adjustment required to account for the shortening of the membrane is not the same for both the warp and weft directions.Rate this question:
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- 4.
A woven fiberglass coated with polytetraflouroethylene. it is an extremely lightweight, transparent film with similar light transmission to glass while only 1% of the weight. It also has excellent weathering properties.
- A.
PTFE (Polytetrafluoroethylene)
- B.
ETFE (Ethylene Tetrafluoroethylene)
- C.
Polyester membrane
- D.
(PVC) PolyVinylChloride
Correct Answer
B. ETFE (Ethylene Tetrafluoroethylene)Explanation
ETFE (Ethylene Tetrafluoroethylene) is the correct answer because it is a lightweight and transparent film that has similar light transmission to glass but is only 1% of the weight. It is also known for its excellent weathering properties, making it a suitable material for various applications such as roofing and cladding in buildings. PTFE and PVC are not the correct answers as they do not possess the same combination of properties as ETFE.Rate this question:
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- 5.
The precise geometrical description of a surface or parts onto a flat plane which becomes the basis for the production of spatially curved surfaces.
- A.
Patterning
- B.
Alternating
- C.
Compensation
- D.
Replacement
Correct Answer
A. PatterningExplanation
Patterning refers to the precise geometrical description of a surface or parts onto a flat plane, which serves as the foundation for creating spatially curved surfaces. This process involves mapping out the exact dimensions, shapes, and arrangements of the surface or parts in order to accurately recreate them in a curved form. Patterning is crucial in various fields such as architecture, manufacturing, and design, where the transformation of flat surfaces into curved ones is required for the production of complex and aesthetically pleasing structures or objects.Rate this question:
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- 6.
Any material which is applied to a fabric substrate to improve an important property. mainly used to protect fabric fibres.
- A.
Laminate
- B.
Covering
- C.
Warp
- D.
Coating
Correct Answer
D. CoatingExplanation
A coating is a material that is applied to a fabric substrate to enhance a specific property, often used to protect the fabric fibers. It acts as a protective layer, providing additional durability, water resistance, or other desired characteristics. Coatings can be applied to fabrics for various purposes, such as making them more resistant to stains, improving their strength, or enhancing their appearance.Rate this question:
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- 7.
Crosswise yarns in woven fabric.
- A.
Weft
- B.
Fore
- C.
Warp
- D.
Aft
Correct Answer
A. WeftExplanation
The correct answer is "Weft" because in woven fabric, the weft yarns run horizontally across the fabric, perpendicular to the warp yarns. The weft yarns are inserted over and under the warp yarns to create the fabric structure.Rate this question:
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- 8.
A seam made by welding the overlapped edges of two lengths of a membrane.
- A.
Butt Seam
- B.
Fore Seam
- C.
Warp Seam
- D.
Lap Seam
Correct Answer
D. Lap SeamExplanation
A lap seam is created by welding the overlapped edges of two lengths of a membrane. This type of seam is commonly used in various applications, such as in fabric or membrane structures, to create a strong and watertight joint. The overlapped edges are welded or bonded together, ensuring a secure connection between the two pieces of material. This type of seam is often preferred when a continuous and smooth appearance is desired, as the overlapped edges are hidden within the seam.Rate this question:
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- 9.
A join between the edges of two fabric pieces formed by covering the meeting by one or two cover strips.
- A.
Butt Seam
- B.
Fore Seam
- C.
Warp Seam
- D.
Lap Seam
Correct Answer
A. Butt SeamExplanation
A butt seam is a type of seam in which the edges of two fabric pieces are joined together by covering the meeting with one or two cover strips. This type of seam provides a smooth and flat finish, as the edges of the fabric are placed directly next to each other without overlapping. It is commonly used in upholstery, leatherwork, and other applications where a clean and inconspicuous seam is desired.Rate this question:
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- 10.
The most common jointing technique used for structural membranes.
- A.
Nuts and Bolts
- B.
Welding
- C.
Casting
- D.
Rope Connection
Correct Answer
B. WeldingExplanation
Welding is the most common jointing technique used for structural membranes. It involves the fusion of two or more pieces of metal using heat and pressure, creating a strong and durable bond. This technique is widely used in construction and manufacturing industries to join structural components together. Welding provides a seamless connection between the materials, ensuring structural integrity and preventing any potential leaks or failures. It offers versatility in terms of the types of materials that can be joined and is known for its high strength and reliability.Rate this question:
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- 11.
A pair of masts hinged at the top which is used to lift the tent cloth by drawing the mast feet together to achieve the desired membrane prestress.
- A.
Scissor Mast
- B.
Prestressed Column
- C.
Steel Mast
- D.
Membrane support
Correct Answer
A. Scissor MastExplanation
A scissor mast is a pair of masts hinged at the top that can be drawn together at the mast feet to lift the tent cloth and create the desired tension in the membrane. This design allows for the achievement of the desired membrane prestress, ensuring the stability and structural integrity of the tent. The term "scissor" refers to the way the masts operate, resembling the action of a pair of scissors.Rate this question:
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- 12.
A threaded element used to adjust the length of ropes and tension rods.
- A.
Turnbuckle
- B.
Fabric Clamp
- C.
Cable Fitting
- D.
Rod Screw
Correct Answer
A. TurnbuckleExplanation
A turnbuckle is a threaded element that is used to adjust the length of ropes and tension rods. It consists of two threaded eye bolts, one with a left-hand thread and the other with a right-hand thread, connected by a central body. By rotating the body, the distance between the eye bolts can be increased or decreased, thereby adjusting the tension in the ropes or rods. This makes turnbuckles a versatile and commonly used tool in various applications such as construction, rigging, and sports equipment.Rate this question:
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- 13.
Attached to the end of ropes to connect them to other construction elements.
- A.
Turnbuckle
- B.
Fabric Clamp
- C.
Cable Fitting
- D.
Rod Screw
Correct Answer
C. Cable FittingExplanation
Cable fittings are used to attach ropes to other construction elements. They provide a secure and reliable connection that allows for easy installation and removal of the rope. Cable fittings are designed to withstand the tension and forces exerted on the rope, ensuring that it remains securely attached. These fittings are commonly used in various applications such as rigging, construction, and outdoor activities where ropes need to be connected to other components.Rate this question:
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- 14.
A metal profile fixed at the end of a length of fabric, use to join pieces of fabric.
- A.
Turnbuckle
- B.
Fabric Clamp
- C.
Cable Fitting
- D.
Metal Clamp
Correct Answer
B. Fabric ClampExplanation
A fabric clamp is a metal profile that is fixed at the end of a length of fabric. It is used to join pieces of fabric together. This clamp securely holds the fabric in place, preventing it from slipping or coming apart. It provides a strong and reliable connection between the fabric pieces, making it easier to work with and ensuring a neat and professional finish.Rate this question:
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- 15.
Intersection points of structural elements which allow the edges and surfaces of the structure to be geometrically mapped in space.
- A.
Turnbuckle
- B.
Angle
- C.
Cable Fitting
- D.
Node
Correct Answer
D. NodeExplanation
Nodes are the intersection points of structural elements, such as beams or cables, in a structure. These points allow the edges and surfaces of the structure to be geometrically mapped in space. Nodes are important in providing stability and support to the structure, as they connect different elements and distribute forces and loads. They also allow for flexibility and adjustability in the structure, as they can be modified or repositioned if needed. Therefore, the correct answer is Node.Rate this question:
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- 16.
A narrow eyelet at the end of a cable through which other cable is inserted then looped and pressed together.
- A.
Shackle
- B.
Swage
- C.
Scalleped Edge
- D.
Node
Correct Answer
B. SwageExplanation
A swage is a narrow eyelet at the end of a cable through which another cable is inserted, looped, and pressed together. This process is commonly used in cable rigging and wire rope manufacturing to create a secure connection between cables. The swage acts as a connector and helps to strengthen and stabilize the cables, ensuring that they remain securely fastened together.Rate this question:
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- 17.
A U-shaped fitting used to anchor the end ropes and straps that allow limited movement in various directions.
- A.
Shackle
- B.
Swage
- C.
Scall0ped Edge
- D.
Node
Correct Answer
A. ShackleExplanation
A shackle is a U-shaped fitting that is used to anchor the end ropes and straps. It allows for limited movement in various directions. Shackle is the correct answer because it accurately describes the fitting that is being described in the question.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Oct 25, 2015Quiz Created by
Saklay_bamboo
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