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Lathe Operations
34

Lathe Operations MCQ with Answers

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

Boring tool springs its travel

Coolant is not applied with force

Tool set below centre

No secondary clearance ground on the front cutting edge

Answer is:

Boring tool springs its travel

Lathe Operations MCQ with Answers

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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 ?

The angle of chamfering is not correct

The chamfering tool not set square to the work axis

The work face not running true

The overhang of the tool is too much

Answer is:

The work face not running true

36) By which one of the following, a multi-start thread is cut on a lathe ?

By a chaser

By a die head

By a single-point tool

By a split die

Answer is:

By a single-point tool

Explanation:

Multi-start thread is cut on a lathe By a single-point tool.

By which one of the following, a multi-start thread is cut on a lathe ?

37) If the lead screw has 6 TPI and there are 4 numbered divisions in the chasing dial, which one of the following will be the teeth worm wheel of chasing dial ?

48 teeth

24 teeth

18 teeth

12 teeth

Answer is:

24 teeth

38) While thread cutting on a lathe by using single-point tool, the tool moves in a path called as

Epicycloid

Cycloid

Rake

Helix

Answer is:

Helix

Lathe Operations MCQ with Answers

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

Boring tool springs its travel

Lathe Operations MCQ with Answers

Related Lathe Operations MCQ with Answers

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 ?

The work face not running true

36) By which one of the following, a multi-start thread is cut on a lathe ?

By a single-point tool

37) If the lead screw has 6 TPI and there are 4 numbered divisions in the chasing dial, which one of the following will be the teeth worm wheel of chasing dial ?

24 teeth

38) While thread cutting on a lathe by using single-point tool, the tool moves in a path called as

Helix

Lathe Operations MCQ with Answers