Shop Information Flashcards

Which type of wrench is best suited for turning a bolt in a tight space where a full swing is impossible?

Answer: Ratchet wrench

A ratchet wrench allows tightening or loosening with short back-and-forth strokes, ideal for confined spaces.

What does the term 'kerf' refer to in woodworking?

Answer: The slot cut by a saw blade

Kerf is the width of material removed by a saw blade as it cuts through wood.

A soldering iron is primarily used to join which type of materials?

Answer: Electrical wires and circuit components

Soldering irons melt solder to create electrical and mechanical connections between metal components, especially in electronics.

What is the purpose of a countersink bit?

Answer: To create a tapered recess so a screw head sits flush with the surface

A countersink bit creates a conical recess that allows a flat-head screw to sit level with or below the material surface.

Which saw blade tooth configuration is best for cutting across the wood grain?

Answer: Crosscut teeth

Crosscut teeth are angled like knives to sever wood fibers cleanly when cutting perpendicular to the grain.

What is a chassis in automotive terminology?

Answer: The framework that supports the vehicle body and mechanical components

The chassis is the structural framework of a vehicle upon which all other components are mounted.

Which hand tool is used to measure and mark a 90-degree angle on wood?

Answer: Try square

A try square has a fixed 90-degree blade and is specifically designed to check and mark right angles on workpieces.

What is the primary function of a torque wrench?

Answer: To tighten fasteners to a specific rotational force

A torque wrench applies and measures a precise amount of rotational force (torque) to prevent over- or under-tightening fasteners.

In plumbing, what type of joint uses heat to fuse copper pipe and fittings together?

Answer: Sweat (solder) joint

A sweat joint uses a torch to heat copper pipe and a fitting, then solder is drawn in by capillary action to create a watertight seal.

What does 'RPM' stand for in the context of power tools?

Answer: Revolutions Per Minute

RPM stands for Revolutions Per Minute, indicating how fast a motor shaft or blade spins.

Which type of paint finish is most durable and easiest to clean, making it ideal for trim and doors?

Answer: Semi-gloss or gloss

Semi-gloss and gloss finishes are the hardest, most moisture-resistant, and easiest to wipe clean, ideal for high-contact surfaces.

What is the purpose of flux when soldering copper pipe?

Answer: To clean oxides and help solder flow into the joint

Flux chemically cleans metal surfaces and prevents re-oxidation during heating, allowing molten solder to wet and flow evenly.

A pilot hole is drilled before driving a screw primarily to:

Answer: Prevent the wood from splitting and guide the screw straight

A pilot hole creates a guide channel that prevents wood splitting, especially near edges, and helps the screw drive straight.

Which type of bolt has threads running its entire length from head to tip?

Answer: Fully threaded bolt

A fully threaded bolt has threads covering its entire shank length, as opposed to partially threaded bolts with a smooth grip section.

What is the difference between a Phillips screwdriver and a Pozidriv screwdriver?

Answer: Pozidriv has additional ribs between the cross slots for better grip and torque

Pozidriv screws have extra ribbed slots at 45° between the main cross slots, providing more contact points and reducing cam-out.

In electrical work, what color is the standard neutral wire in US residential wiring?

Answer: White

In US residential wiring, white (or gray) identifies the neutral conductor, black is hot, and green or bare copper is ground.

What tool is used to cut external threads onto a metal rod or bolt?

Answer: Die

A die is used to cut external (male) threads onto a rod, while a tap cuts internal (female) threads into a hole.

Which type of wood joint is created by interlocking a tenon into a mortise?

Answer: Mortise-and-tenon joint

A mortise-and-tenon joint consists of a rectangular projection (tenon) fitted into a matching rectangular hole (mortise) for strong framing connections.

What is the purpose of a feeler gauge?

Answer: To measure small gaps or clearances between parts

A feeler gauge consists of thin metal strips of precise thickness used to measure narrow gaps, such as spark plug gaps or valve clearances.

When welding, what is the primary purpose of a ground clamp?

Answer: To complete the electrical circuit by connecting the workpiece to the welder

The ground clamp completes the welding circuit by connecting the workpiece to the negative terminal of the welding machine.