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Fitter
Fitter Set-2
Drilling
60

Drilling MCQ with Answers

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

Bond

Abrasive

Structure

Grain size

Answer is:

Structure

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

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

63) What is the value of one vernier division of a vernier micrometer?

0.01 mm

0.02 mm

0.009 mm

0.002 mm

Answer is:

0.009 mm

64) Why grey cast iron widely used for machine tools?

Rapid cooling

Reduce vibration

High tensile strength

Very difficult to machining

Answer is:

Reduce vibration

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