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Fitter Set-2
Drilling
74

Drilling MCQ with Answers

74) What H denotes in the specifications of grinding wheel 32A46H8V?

Grain size

Type of abrasive

Grade

Structure

Answer is:

Grade

What H denotes in the specifications of grinding wheel 32A46H8V?

Drilling MCQ with Answers

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Related Drilling MCQ with Answers

75) Why precision instruments are made of invar steel?

Durability

Cheaper in cost

Surface finishing is fine

Least coefficient of expansion

Answer is:

Least coefficient of expansion

76) Why lime stone serves as flux added to the ore in the blast furnace?

To form molter slag

To supply the oxygen

To burn the carbon in coke

To increase the melting point of ore

Answer is:

To form molter slag

Why lime stone serves as flux added to the ore in the blast furnace?

77) Which micrometer having provision of interchangeable anvils?

Depth micrometer

Inside micrometer

Outside micrometer

Screw thread micrometer

Answer is:

Screw thread micrometer

Which micrometer having provision of interchangeable anvils?

78) Which factor determine the selection of wire in screw thread micrometer?

Thread angle

Type of thread and pitch

Root and crest

Major diameter

Answer is:

Type of thread and pitch

Which factor determine the selection of wire in screw thread micrometer?

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