Mechanical Aptitude FREE Mechanical Aptitude Tools Question and Answers 3

Question 1

What is the function of a tap in mechanical work?

Accepted Answer

To cut internal threads inside a hole

Answer

A tap is a hardened cutting tool used to create internal screw threads inside a pre-drilled hole.

Question 2

Which measuring instrument is best suited for checking the inside diameter of a cylinder bore?

Accepted Answer

Telescoping gauge

Answer

A telescoping gauge expands to contact the inner walls of a bore, then is locked and measured with a micrometer for precise readings.

Question 3

A technician needs to remove a rounded-off bolt head. Which tool is most effective?

Accepted Answer

Bolt extractor set

Answer

A bolt extractor set has reverse-spiral flutes that bite into damaged bolt heads to grip and remove them.

Question 4

What is a ball-peen hammer primarily used for in mechanical work?

Accepted Answer

Shaping metal and setting rivets

Answer

A ball-peen hammer has a rounded end used for peening, shaping metal, and setting rivets in metalworking applications.

Question 5

Which tool would a mechanic use to hold a workpiece securely on a drill press table?

Accepted Answer

C-clamp or drill press vise

Answer

A C-clamp or drill press vise firmly secures the workpiece to the table, preventing dangerous spinning during drilling operations.

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