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Turner
Turner Set-1
Lathe Operations
66

Lathe Operations MCQ - Turner (Set-1) with Answers

66) Lead is the metal used for balancing weight during lathe face plate work. The reason for using lead is that it is very

ductile

heavy

tough

elastic

Answer is:

heavy

Lathe Operations MCQ - Turner (Set-1) with Answers

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Related Lathe Operations MCQ - Turner (Set-1) with Answers

67) While power feed is engaged when turning taper by using taper turning attachment, it is noticed that for short distance parallel turning takes place due to certain defect. Which one of the following is the cause for this defect ?

The positioning of the taper turning attachment is not correct

The tool setting is not to the centre height

Play between the sliding units

Workpiece is not rigidly held

Answer is:

Play between the sliding units

68) For cutting acme threads, the threading tool should be ground to an included angle of

30 Degree

58 Degree

29 Degree

47 Degree

Answer is:

29 Degree

For cutting acme threads, the threading tool should be ground to an included angle of

69) To cut 20 mm internal square thread with a pitch of 2.5 mm, the core diameter should be

17.5 mm

18.5 mm

20.0 mm

22.5 mm

Answer is:

17.5 mm

70) Dovetail chasers are clamped in a

lathe tool post

tool holder for holding circular form tool

special tool holder

bit tool holder

Answer is:

special tool holder

Lathe Operations MCQ - Turner (Set-1) with Answers

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