1.
Identify.
Correct Answer
B. Load-indicating washer
Explanation
A load-indicating washer is a type of washer that is designed to provide a visual indication of the amount of load or pressure being applied to it. This can be useful in various applications where it is important to monitor and control the amount of pressure being exerted on a particular component or joint. The load-indicating washer typically has markings or color changes that indicate when a certain load threshold has been reached, allowing for easy identification and adjustment if necessary.
2.
Identify.
Correct Answer
A. Lock-washer
Explanation
A lock-washer is a type of washer that is used to prevent nuts and bolts from loosening due to vibration or rotation. It has a split design that creates tension when tightened, which helps to keep the fastener secure. This type of washer is commonly used in various applications, such as automotive, construction, and industrial settings. It is an essential component in ensuring the stability and integrity of assembled parts.
3.
Identify
Correct Answer
A. Common Wire Nail or Common Nail
Explanation
The correct answer is Common Wire Nail or Common Nail. This type of nail is the most commonly used nail for general construction purposes. It has a smooth shank and a flat head, making it suitable for a wide range of applications. Common nails are typically used for framing, carpentry, and other heavy-duty tasks.
4.
Identify
Correct Answer
B. Brad Nail
Explanation
A Brad Nail is a type of nail that is smaller in size compared to other nails listed. It is typically used for smaller woodworking projects, such as attaching trim or molding. Brad nails have a small, thin head that can be easily concealed or covered with putty, making them ideal for finishing work. They are less likely to split the wood due to their small size and are commonly used in projects where a more delicate touch is required.
5.
Similar to a common nail but thinner; has a long shank which may be smooth or barbed
Correct Answer
C. Box Nail
Explanation
A box nail is similar to a common nail but thinner. It has a long shank which may be smooth or barbed. This type of nail is commonly used for general woodworking projects, as well as for attaching thin pieces of wood together. The thinner size of the box nail makes it less likely to split the wood, making it a good choice for delicate projects. The long shank provides good holding power, ensuring that the nail stays securely in place.
6.
Identify
Correct Answer
K. Casing Nail
Explanation
A casing nail is a type of nail that is specifically designed for use in casing applications. Casing refers to the trim or molding that is used to cover gaps between walls and doors or windows. Casing nails are typically longer and thinner than other types of nails, allowing them to be easily concealed when used in trim work. They often have a small, rounded head that can be easily countersunk into the wood. Casing nails are commonly used in carpentry and woodworking projects to attach casing or trim to walls and other surfaces.
7.
Identify
Correct Answer
L. Ring-Shank Nail
Explanation
A ring-shank nail is a type of nail that has rings along the shank or body of the nail. These rings provide extra grip and holding power, making the nail less likely to pull out or loosen over time. Ring-shank nails are commonly used in construction and carpentry projects where strong and durable fastening is required, such as in framing or roofing. The rings on the shank of the nail create friction and prevent the nail from easily being pulled out, providing a more secure attachment.
8.
Identify
Correct Answer
M. Clinch or Clench Nail
Explanation
A clinch or clench nail is a type of nail that is designed to be driven into a material and then bent over or clinched to secure it in place. This type of nail is commonly used in woodworking and carpentry applications where a strong and secure fastening is required. The bent-over end of the nail provides additional holding power and helps to prevent the nail from pulling out. Clinch or clench nails are often used in situations where traditional nails may not provide enough strength or security.
9.
A short nail having barbed or ring shank and a comparatively large flat head and a diamond point;may be galvanized or bright. Often provided with a neoprene, lead, or plastic washer; used to secure roofing felt or shingles to a roof-deck or roof boards
Correct Answer
A. Roofing Nail
Explanation
A roofing nail is a type of nail that is specifically designed for securing roofing felt or shingles to a roof-deck or roof boards. It is characterized by its short length, barbed or ring shank, large flat head, and diamond point. It may also be galvanized or bright and often comes with a neoprene, lead, or plastic washer. The purpose of the barbed or ring shank is to provide extra grip and prevent the nail from coming loose. The flat head helps to secure the roofing material in place. Overall, the roofing nail is specifically designed for the task of roofing and is the correct answer in this context.
10.
Identify
Correct Answer
A. Metal Lath Nail
11.
Identify
Correct Answer
C. Electrician's Staple Nail
12.
A hardened steel nail having a flat countersunk head and a diamond point; used for nailing to concrete or masonry
Correct Answer
D. Concrete Nail
Explanation
A concrete nail is a type of nail that is specifically designed for nailing into concrete or masonry. It is made of hardened steel, which makes it strong and durable. The nail has a flat countersunk head, which allows it to be driven flush with the surface of the material. It also has a diamond point, which helps to penetrate the hard surface of concrete or masonry. This type of nail is commonly used in construction projects where fastening materials to concrete or masonry is required.
13.
Identify
Correct Answer
E. Masonry Nail
Explanation
The correct answer is Masonry Nail. This type of nail is specifically designed for use in masonry and concrete applications. It has a hardened steel construction that allows it to penetrate and hold securely in these tough materials. Masonry nails often have a fluted or ribbed shank to provide extra grip and prevent them from pulling out. They are commonly used for attaching wood to concrete or masonry surfaces, such as attaching furring strips or framing to concrete walls.
14.
Identify
Correct Answer
H. Felt Cap Nail
15.
Identify type of nail construction. A
Correct Answer
A. Face Nailing
Explanation
Face nailing is a type of nail construction where nails are driven through the face, or visible side, of a board or material. This method is commonly used when the nail heads need to be visible or when extra strength is required. It is often used in applications such as flooring, siding, or trim installation.
16.
Identify type of nail construction. B
Correct Answer
D. End Nailing
Explanation
End nailing is a type of nail construction where nails are driven into the end grain of the wood. This method is commonly used when joining two pieces of wood at a right angle or when securing the end of a board to another surface. End nailing provides a strong and secure connection, but it may not be as aesthetically pleasing as other types of nail construction.
17.
Identify type of nail construction. C
Correct Answer
C. Toe Nailing
Explanation
Toe nailing is a type of nail construction where nails are driven diagonally through the side of one piece of wood and into another piece at an angle. This method is commonly used when securing floor joists or studs to the top or bottom plates. The angled nails provide additional strength and stability to the joint.
18.
Identify type of nail construction.
Correct Answer
B. Blind Nailing
Explanation
Blind nailing is a type of nail construction where nails are driven into the material at an angle, so that they are hidden from view once the material is installed. This method is commonly used in woodworking and carpentry to create a clean and seamless finish, without any visible nail heads. It is particularly useful for installing flooring, siding, or paneling, as it provides a more aesthetically pleasing result.
19.
Identify.
Correct Answer
A. Wood Screw
Explanation
A wood screw is a type of fastener that is specifically designed for use with wood materials. It has a sharp point and coarse threads that allow it to easily penetrate and grip into wood. Wood screws are typically used to join pieces of wood together or to attach hardware to wood surfaces. They are made of steel or brass and come in various sizes and lengths. Unlike metal screws, which are designed for use with metal materials, wood screws have a tapered body and a wider head that provides better holding power in wood. Lag screws, lag bolts, and coach screws are similar to wood screws but are larger and have a hexagonal head. Tek screws, on the other hand, are specifically designed for use with metal and have a self-drilling point.
20.
Fastened by screwing into metal
Correct Answer
B. Metal Screw
Explanation
A metal screw is fastened by screwing it into metal surfaces. It is designed specifically for use with metal materials and has a sharp point and threads that allow it to securely grip the metal when it is screwed in. Metal screws are commonly used in construction, automotive, and manufacturing industries where metal components need to be joined together. They provide a strong and durable connection and are often made of materials such as stainless steel or hardened steel to resist corrosion and withstand heavy loads.
21.
Identify
Correct Answer
C. Lag Screw, Lag bolt, Coach Screw
Explanation
The given answer, "Lag Screw, Lag bolt, Coach Screw," refers to a type of screw that is commonly used in woodworking and construction. Lag screws, also known as lag bolts or coach screws, are large, heavy-duty screws with a hexagonal head and a pointed tip. They are designed to be used with a wrench or socket to securely fasten heavy materials such as wood or metal. Lag screws are often used in applications where a strong connection is required, such as attaching beams or framing members together.
22.
Identify
Correct Answer
D. Tek Screw
Explanation
The given options are different types of screws. The correct answer, Tek Screw, refers to a type of screw that is specifically designed for fastening metal to metal. Tek screws have a self-drilling point which eliminates the need for pre-drilling a hole. They are commonly used in construction and metalworking industries for their efficiency and ease of use.
23.
Identify screw head type
Correct Answer
A. Slotted head
Explanation
The correct answer is "Slotted head." A slotted head screw is a type of screw with a single horizontal groove on the top, allowing it to be tightened or loosened using a flat-blade screwdriver. This type of screw head is one of the oldest and simplest designs, commonly used in various applications. It is easily recognizable by its straight, single slot, which provides good torque transfer but can also be prone to slipping if not properly aligned with the screwdriver.
24.
Identify screw head type
Correct Answer
B. pHilips head
Explanation
The correct answer is "Philips head." A Philips head screw is a type of screw that has a cross-shaped recess in the head, allowing for easy insertion and removal with a Philips head screwdriver. This type of screw is commonly used in various applications, including electronics, woodworking, and automotive industries. It is designed to provide better torque and reduce the likelihood of the screwdriver slipping or camming out of the screw head.
25.
Identify screw head type
Correct Answer
C. Allen head
Explanation
The correct answer is "Allen head". Allen head refers to a type of screw head that is shaped like a hexagon, also known as a hex socket or hex key. It is designed to be used with an Allen wrench or hex key tool. This type of screw head provides a secure grip and is commonly used in machinery, furniture assembly, and automotive applications.
26.
Identify screw head type
Correct Answer
D. Square drive pan
Explanation
The correct answer is Square drive pan. The square drive pan screw head type is characterized by a square-shaped recess in the head of the screw. It is designed to be used with a corresponding square drive bit or tool. This type of screw head offers increased torque and reduced slippage, making it ideal for applications where a higher level of torque is required. The pan head refers to the shape of the head, which is flat with a rounded top and a slightly tapered underside.
27.
Identify
Correct Answer
A. Machine Bolt
Explanation
A machine bolt is a type of fastener that is designed to be used with a nut to secure two or more parts together. It typically has a straight shank and a threaded end, allowing it to be easily inserted into pre-drilled holes. Machine bolts are commonly used in various applications, such as automotive, construction, and machinery. They are known for their strength and durability, making them suitable for heavy-duty tasks.
28.
Identify
Correct Answer
E. Carriage Bolt
Explanation
A carriage bolt is a type of bolt that has a smooth, rounded head and a square or hexagonal shank. It is designed to be used with a nut and is commonly used in woodworking and construction applications. The smooth head of the carriage bolt prevents it from turning when the nut is tightened, making it ideal for situations where the bolt needs to be securely fastened in place. The other options listed, such as machine bolt, stove bolt, toggle bolt, and expansion bolts, are different types of bolts that serve various purposes but do not have the specific characteristics of a carriage bolt.
29.
Identify
Correct Answer
B. Stove Bolt
Explanation
A stove bolt is a type of bolt that is commonly used to assemble wood or metal. It is characterized by its flat, round head and square or hexagonal shank. Stove bolts are typically used in applications where a flush finish is desired, such as attaching metal brackets or fastening wood panels. They are often used in furniture assembly, cabinetmaking, and other woodworking projects. Stove bolts are available in various lengths and diameters to accommodate different thicknesses of materials.
30.
Identify
Correct Answer
C. Toggle Bolt
Explanation
A toggle bolt is a type of fastener that is used to secure heavy objects to walls or ceilings. It consists of a bolt with a spring-loaded wing-like mechanism called a toggle that expands behind the wall when the bolt is inserted. This provides a strong anchor point for the bolt, allowing it to hold heavy loads. Toggle bolts are commonly used when there is no access to the back of the wall or when the wall material is not strong enough to support the weight of the object being attached.
31.
Identify
Correct Answer
D. Expansion Bolts
Explanation
Expansion bolts are a type of fastener that are used to secure objects to a base material, such as concrete or masonry. They work by expanding and gripping the base material when tightened, providing a strong and secure connection. This makes expansion bolts ideal for applications where a high level of strength and stability is required, such as in construction or heavy machinery. Unlike the other options listed, expansion bolts specifically refer to this type of fastener and are not interchangeable with other types of bolts.
32.
A butt hinge mortised into the abutting surfaces of a door and doorjamb. Also called mortise hinge.
Correct Answer
A. Full Mortise hinge
Explanation
A full mortise hinge is a type of hinge that is commonly used on doors and doorjambs. It is designed to be mortised, or recessed, into both the door and the doorjamb, creating a flush and concealed installation. This type of hinge provides a clean and seamless look, as it is hidden when the door is closed. It is also known as a mortise hinge, referring to the mortise or recessed installation method.
33.
A hinge having one leaf mortised into the edge of a door and the other surface-mounted to the doorframe.
Correct Answer
C. Half Mortise Hinge
Explanation
A half mortise hinge is the correct answer because it is a type of hinge that has one leaf mortised into the edge of a door, while the other leaf is surface-mounted to the doorframe. This design allows for a combination of strength and ease of installation.
34.
A hinge having one leaf mortised into a doorframe and the other surface-mounted to the face of the door.
Correct Answer
B. Half Surface Hinge
Explanation
A half surface hinge is the correct answer because it consists of one leaf that is mortised into the doorframe, while the other leaf is surface-mounted to the face of the door. This type of hinge allows for the door to swing open and close smoothly while also providing stability and support.
35.
A hinge having 2 leaves surface-mounted to the adjacent faces of a door and doorframe. Also called flap hinge, or backflap hinge
Correct Answer
D. Full Surface Hinge
Explanation
A full surface hinge is the correct answer because it is a hinge that is surface-mounted to both the door and the doorframe, with both leaves visible on the surface. This type of hinge is also known as a flap hinge or backflap hinge.
36.
A mortise hinge manufactured to fit recess and match the arrangement of holes of hollow metal doors and frames
Correct Answer
A. Template hinge
Explanation
A template hinge is the correct answer because it is specifically designed to fit into a recess and align with the arrangement of holes in hollow metal doors and frames. This type of hinge is commonly used in construction and carpentry to ensure a precise and secure fit for doors and frames. It is often used as a guide or template for installing hinges in a consistent and accurate manner.
37.
A hinge equipped with ball bearings between the knuckles to reduce friction and ensure ease of operation
Correct Answer
A. Ball-bearing hinge
Explanation
A ball-bearing hinge is equipped with ball bearings between the knuckles, which helps to reduce friction and ensure smooth and easy operation. The ball bearings allow the hinge to rotate smoothly, making it ideal for heavy doors or doors that require frequent opening and closing. This type of hinge is commonly used in commercial buildings, where durability and ease of use are important factors.
38.
A hinge having a nonremovable pin
Correct Answer
A. Fast-pin hinge
Explanation
A fast-pin hinge refers to a type of hinge that has a nonremovable pin. Unlike other hinges that may have pins that can be easily removed, a fast-pin hinge has a pin that is fixed in place and cannot be taken out. This design ensures that the hinge remains secure and stable, making it suitable for applications where durability and strength are important.
39.
A hinge having a removable pin so that a door can be unhung by separating the 2 leaves
Correct Answer
B. Loose-pin hinge
Explanation
A loose-pin hinge is a type of hinge that has a removable pin, allowing the door to be easily unhung by separating the two leaves. This feature makes it convenient for removing or replacing doors without having to unscrew or disassemble the entire hinge. The loose-pin hinge provides flexibility and ease of use in door installation and maintenance.
40.
A hinge having a knuckle formed from half of each leaf, with the upper half removable from the pin. Also called liftoff hinge.
Correct Answer
C. Loose-joint hinge
Explanation
A loose-joint hinge is a type of hinge that has a knuckle formed from half of each leaf, with the upper half being removable from the pin. This allows for easy removal and installation of the door or gate without having to remove the entire hinge. It is also commonly known as a liftoff hinge. The other options, fast-pin hinge, spring hinge, and loose-pin hinge, do not accurately describe a hinge with this specific feature.
41.
A hinge containing a coiled spring in its barrel for closing a door automatically.
Correct Answer
D. Spring hinge
Explanation
A spring hinge is a type of hinge that contains a coiled spring in its barrel. This spring allows the hinge to automatically close a door when it is opened. The spring provides tension and helps to control the movement of the door, ensuring that it closes smoothly and securely. This type of hinge is commonly used in applications where self-closing doors are desired, such as in commercial buildings or residential homes where fire safety regulations require doors to close automatically.
42.
Identify hinge
Correct Answer
A. Strap hinge
Explanation
A strap hinge is a type of hinge that consists of a long, flat metal strip with holes or slots for attaching to a door or gate and a pivot point that allows the door to swing open and closed. This type of hinge is commonly used for heavy-duty applications, such as on barn doors or gates, where strength and stability are important. The strap hinge gets its name from its resemblance to a metal strap that wraps around the edge of the door or gate.
43.
Identify hinge
Correct Answer
B. Cross-garnet hinge
44.
Identify hinge
Correct Answer
C. Dovetail hinge
Explanation
A dovetail hinge is a type of hinge that is designed with interlocking wedge-shaped components, resembling the shape of a dovetail joint in woodworking. This type of hinge is known for its strength and durability, as the interlocking design provides a secure connection between the two parts it is attached to. Dovetail hinges are commonly used in cabinetry and furniture, as they allow for smooth and stable movement of doors or lids. They are also aesthetically pleasing, as the visible dovetail shape adds a decorative element to the hinge.
45.
Identify hinge
Correct Answer
D. Parliament hinge
Explanation
A parliament hinge is a type of hinge that allows a door or window to swing fully open and lie flat against the wall. It is also known as a "double-acting hinge" because it can swing in both directions. This type of hinge is commonly used in situations where it is necessary for a door or window to open fully and provide maximum access or ventilation. It is often used in large, heavy doors or windows, such as those found in public buildings or historic homes.
46.
Identify hinge
Correct Answer
E. Paumelle
Explanation
A paumelle hinge is a type of hinge that is used for doors and cabinets. It is a pivot hinge that allows the door to swing open and closed. The hinge is attached to the door frame and the door itself, and it allows for a smooth and seamless movement of the door. The paumelle hinge is often used for heavy doors or doors that need to swing in both directions. It is a durable and sturdy hinge that provides stability and support to the door.
47.
Identify hinge
Correct Answer
F. Olive knuckle hinge
Explanation
An olive knuckle hinge is a type of hinge that has a shape resembling an olive or a knuckle. It is commonly used for heavy doors or gates as it provides strong support and durability. The design of the hinge allows for smooth and quiet movement of the door. The olive knuckle hinge is often used in traditional or antique-style doors and is known for its decorative appearance.
48.
A hinge that closes automatically by means of gravity
Correct Answer
D. Gravity hinge
Explanation
A gravity hinge is a type of hinge that is designed to close automatically due to the force of gravity. When the door or gate attached to the hinge is opened, the weight of the door causes the hinge to close on its own. This type of hinge is commonly used in situations where it is important for the door or gate to close securely and automatically, such as in outdoor gates or self-closing doors. The other options listed are different types of hinges, but they do not operate based on gravity.
49.
A hinge causing a door to rise slightly when opened.
Correct Answer
E. Rising hinge
Explanation
A rising hinge is a type of hinge that causes a door to rise slightly when it is opened. This can be useful in situations where there is uneven flooring or carpeting, as it helps to prevent the door from dragging or scraping on the ground. The rising hinge allows the door to clear any obstacles or uneven surfaces, ensuring smooth and easy operation.
50.
Identify
Correct Answer
C. Invisible hinge
Explanation
An invisible hinge is a type of hinge that is designed to be concealed when the door or cabinet is closed, giving a seamless and streamlined appearance. Unlike other hinges that are visible when the door is closed, the invisible hinge is hidden within the door and frame, making it an aesthetically pleasing option for modern and minimalist designs. It provides a clean and uninterrupted look to the overall structure, without any visible hardware.