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Fitter Set-2
Drilling
58

Drilling MCQ with Answers

58) What is the formula to calculate the blank size of external thread (where p=pitch and d=depth)?

D = d ? p/10

D = d + p/10

D = d x p/10

D = d ? p/10

Answer is:

D = d ? p/10

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

59) Which type of thread, the crest and roots are rounded to form a semi circle?

Acme thread

Square thread

Knuckle thread

Trapezoidal thread

Answer is:

Knuckle thread

60) What 5 denotes in grinding wheel specification 41A46H5U8?

Bond

Abrasive

Structure

Grain size

Answer is:

Structure

61) Which type of bonded wheel is used in foundries for dressing castings?

Silicate bond

Shellac bond

Rubber bond

Resinoid bond

Answer is:

Resinoid bond

Which type of bonded wheel is used in foundries for dressing castings?

62) What type abrasive wheel is used for grinding cemented carbides?

Green silicon carbide

Grey aluminium oxide

White aluminium oxide

Brown aluminium oxide

Answer is:

Green silicon carbide

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