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Fitter Set-2
Drilling
61

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?

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

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

65) What is the tap drill size for M20 x 15?

18.5

20

19

17

Answer is:

18.5

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