Shop Information Flashcards

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.