TSG

What is the formula for torque?

Torque = Length x Force

What is the most common unit for measuring torque in the electrical trade?

Newton-meter (Nm)

What is dynamic torque?

The torque measured in the fastening process.

What is the final phase of the fastening process?

The elastic phase

What percentage of applied torque is friction and what percent is stretch.

90% Friction and 10% Stretch

A __?__ fastener has __?__ threads per inch of the same size __?__ fastener?

UNC / Less / UNF

Which of the following statements about the slope of fine threads is true?

It is shallower than the slope of coarse threads.

What is the purpose of a washer?

To protect the joint face from damage

What type of nut has medium prevention from loosening due to vibrations?

Free spinning nut (flange nut serrated)

Know that __?__ is the sweet spot of a wrench's actual listed capacity.

40-80%

What to do if a torque wrench is inaccurate during scheduled tests?

Have it calibrated or repaired

What determines the torque multiplier's gear ratio?

The specific application

What is the primary function of a torque multiplier?

Increases the amount of torque that can be applied by the operator

What PPE should be worn when using hand tools including torque wrenches?

Safety glasses / goggles

How should dissimilar metals be treated when using pressure treated connectors?

They should be properly identified and installed according to manufacturer's guidelines

Why should bolts not be over torqued?

To avoid over tightening and decreased strength

What should be done after completing the initial 3 basic torque passes during the tightening process?

Perform a final check and repeat torquing until no further rotation of the nut is observed

What should be checked during the first pass of torque?

Uniform compression of the gasket

What effect can occur if the tightening torque is applied to the wrong component?

It may overload or under tighten the bolt