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ITI
Fitter
Fitter Set-2
Drilling
69

Drilling MCQ with Answers

69) What is the counter sink angle of chamfering in the end of drilled hole for threading?

75 Degree

80 Degree

90 Degree

120 Degree

Answer is:

120 Degree

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

70) Why centre screw is provided in the die stock?

To tighten the die

To adjust the depth of cut

To adjust the dia of internal thread

To adjust the dia of external thread

Answer is:

To adjust the depth of cut

71) What is the included angle of metric V threads?

45 Degree

29 Degree

60 Degree

47.5 Degree

Answer is:

60 Degree

72) What 46 represent in standard marking system of grinding wheel (32A46H8V)?

Grade

Grain size

Type of bond

Type of abrasive

Answer is:

Grain size

73) What is the colour of aluminium metal?

Dull white

White

Bright white

Bluish grey colour

Answer is:

White

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