Lathe Operations MCQ with Answers

Lathe Operations MCQ with Answers

31) Which one of the following operations is NOT done on a workpiece held in-between centres ?

Answer is:

Parting off

Explanation:

Parting off is done when the work-piece is held in the Chuck only.

Which one of the following operations is NOT done on a workpiece held in-between centres ?

32) Which one of the following methods of catching the threads consumes more time when cutting odd pitch threads ?

Answer is:

Marking the work holding device and lead screw

33) A hole is drilled in a lathe by using a Dia 10 mm straight shank drill held in a drill chuck. After a short distance of the drill travel, it rotates along with the work. Which one of the following is the cause for this defect ?

Answer is:

Chips getting clogged

34) Unusual sound is heard during rough boring a large diameter hole. Which one of the following statements is the cause for this defect ?

Answer is:

Boring tool springs its travel

35) A workpiece is chamfered to remove burrs. It is observed that the chamfer width is not uniform throughout the periphery of chamfer on the workpiece. Which one of the following is the cause for this defect ?

Answer is:

The work face not running true

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