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Fitter
Fitter Set-2
Drilling
50

Drilling MCQ with Answers

50) What type of abrasive wheel is used for grinding die steel?

Silicon carbide

Green silicon carbide

White aluminium oxide

Brown aluminium oxide

Answer is:

White aluminium oxide

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

51) Which term indicates the amount of bond present between the individual abrasive grains?

Grain

Grade

Abrasive

Structure

Answer is:

Structure

52) Which angle determines the rake angle of drills?

Helix angle

Core angle

Point angle

Chisel edge angle

Answer is:

Helix angle

Which angle determines the rake angle of drills?

53) What is the drill size for Dia 15 mm reaming hole?

14.75 mm

14.50 mm

15.25 mm

14.65 mm

Answer is:

14.75 mm

54) Why drilled holes are over sized in drilling operation?

Drill is not sharp

Unequal lip length

Feed rate is too high

Cooling is insufficient

Answer is:

Unequal lip length

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