Mechanical Fasteners Quiz

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Questions and Answers

What is the primary purpose of a bolt?

To serve as a fastener inserted through a hole and secured with a nut (correct)

To act as a temporary fastening solution

To tighten materials together without a nut

To drill holes into wood

Which thread classification is primarily used for tools and machinery?

Unified National Coarse (UNC)

Metric thread

Unified National Fine (UNF) (correct)

American Standard Thread

In what situation are wing nuts most effectively used?

In temporary situations requiring hand adjustment (correct)

In permanent installations

In high-strength applications

When applying adhesives to surfaces

Which type of washer is specifically used to prevent loosening due to vibrations?

Locking washer Signup and view all the answers

What are knife-thread inserts or T-nuts used for?

To provide receiving threads for a bolt in wood Signup and view all the answers

What should users do before using construction adhesives?

Check with local suppliers for available brands Signup and view all the answers

Which feature is a characteristic of self-drilling screws?

They do not need a nut for fastening Signup and view all the answers

What is the primary function of washers in fastening applications?

To spread the forces of compression over a larger area Signup and view all the answers

What is a distinguishing feature of duplex nails?

They can be used for temporary fastening. Signup and view all the answers

Which type of fastener has a small head that can be driven below the surface of wood?

Finish nails Signup and view all the answers

Which of the following types of fasteners is commonly available for use with pneumatic tools?

Staples Signup and view all the answers

What type of fastener is known for its large flat head and thinner diameter?

Box nails Signup and view all the answers

Which type of screws is specifically designed to fasten drywall?

Drywall Screws Signup and view all the answers

What is the main purpose of using finish nails in construction?

To secure moulding without visible nail heads Signup and view all the answers

What is the primary benefit of using screws over nails in construction?

They can create a tighter joint. Signup and view all the answers

Which fastener type is described as having a very small size used for specific applications?

Brad nails Signup and view all the answers

What is a common feature of Phillips-head screws?

They provide a better grip for driving bits. Signup and view all the answers

In which of the following circumstances would you most likely use staples?

For temporary fastening fabrics or lightweight materials Signup and view all the answers

Which fastener is known for temporarily holding joints until a permanent fastening is achieved?

Corrugated Fasteners Signup and view all the answers

What is a key characteristic of finish nails compared to brad nails?

Finish nails can be concealed below the woodworking surface. Signup and view all the answers

What distinguishes lag screws from other types of screws?

They are typically larger and stronger. Signup and view all the answers

What is a characteristic of self-drilling screws?

They can create their own hole as they are driven. Signup and view all the answers

Which type of screw is most useful when a joint may need to be taken apart later?

Wood Screws Signup and view all the answers

What is the primary use of clout nails in scenery construction?

To penetrate materials and curl back for secure joints. Signup and view all the answers

Study Notes

Fasteners

Four types of mechanical fasteners are used in scenery construction: box nails, finish nails, duplex nails, and bolts.
Box nails: have a large flat head and a thinner-diameter shank than common nails. They are available in coated and ring shank varieties.
Finish nails: designed to be driven below the surface of the wood and have a small head that can be concealed with fillers.
Duplex nails (double-head or scaffolding nails): used for temporary fastening; have a single efficient unit comprising two heads for temporary fastener use. This design allows them to drill their own pilot hole into light-gauge metal.
Bolts: used for permanent fastening; inserted through a hole and secured with a nut, and their size is specified by diameter, length, and number of threads per inch.

Staples

Staples: available for hand staplers, electric fabric staplers, and pneumatic staple guns.
Staple sizing: determined by the crown width, staple length, and gauge of the wire.

Nuts & Washers

Nuts: typically hexagonal or square in shape.
Wing nuts: used temporarily and are tightened and loosened by hand.
Washers: spread the force of compression over a larger area, preventing damage to materials; available as plain, fender, and locking washers.

Knife-Thread Inserts & T-Nuts

Knife-thread inserts and T-nuts: set into wood to provide receiving threads for a bolt, eliminating the need for a nut.

Adhesives

Adhesives: used for specialized material bonding and come in numerous varieties.
Construction Adhesives: available in tubes and designed for specific materials like porous, non-porous, and foam.

Nails

Pennyweight: a unit of measurement for nail length, where 2d = 1 inch, 3d = 1.25 inches, and so on.
Roofing nails: have wide, flat heads for use with compressible materials like Homosote or Celotex.
Clout nails: designed to penetrate through wood and curl back to create a secure joint; no longer in common professional use.
Corrugated fasteners: used for temporary holding until a permanent fastening can be completed.

Screws

Wood screws: provide a removable fastening option and used to attach hardware to scenic units.
Drywall screws: gaining popularity for use with screw guns.

Hinges

Hinges: provide various movements (e.g., swinging, sliding) for scenic elements.

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Description

Test your knowledge of mechanical fasteners used in scenery construction. This quiz covers different types of fasteners including box nails, finish nails, duplex nails, bolts, and staples. Learn about their specific uses and characteristics.