Mechanical Aptitude Mechanical Aptitude Tool Identification and Use Questions and Answers 3

Question 1

What distinguishes a Phillips-head screwdriver from a Pozidriv screwdriver?

Accepted Answer

Pozidriv has additional smaller cross-shaped ribs between the main flutes

Answer

Phillips has a flat blade while Pozidriv has a cross shape

Answer

Phillips is only used on wood screws

Answer

There is no difference between them

Question 2

Which measuring tool uses a vernier scale to read measurements more precisely than a standard ruler?

Accepted Answer

Vernier caliper

Answer

Feeler gauge

Answer

Depth micrometer

Answer

Dial indicator

Question 3

When using a tap to cut internal threads in a blind hole, which type of tap should be used last to cut threads closest to the bottom?

Accepted Answer

Bottoming tap

Answer

Taper tap

Answer

Plug tap

Answer

Spiral-point tap

Question 4

What is the correct tool to use when checking whether a surface is perfectly level or plumb?

Accepted Answer

Spirit level

Answer

Combination square

Answer

Protractor

Answer

Straightedge

Question 5

Which type of file has a single set of parallel cutting teeth and is best suited for producing a smooth finish on soft metals like aluminum?

Accepted Answer

Single-cut file

Answer

Double-cut file

Answer

Rasp

Answer

Needle file

Question 6

What is the primary advantage of using an impact driver over a standard drill/driver for driving long lag screws?

Accepted Answer

It delivers concussive rotational force, preventing cam-out and reducing user fatigue

Answer

It spins at a higher RPM

Answer

It has a keyless chuck for quick bit changes

Answer

It is lighter and more compact