Mechanical Engineering - Production Engineering

6. 

In order to prevent tool from rubbing the work __________ on tools are provided.

A. rake angles
B. relief angles

Answer: Option B

Explanation:

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7. 

The silicon carbide abrasive is chiefly used for grinding

A. cemented carbide
B. ceramic
C. cast iron
D. all of these

Answer: Option D

Explanation:

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8. 

Drilling is an example of

A. orthogonal cutting
B. oblique cutting
C. simple cutting
D. uniform cutting

Answer: Option B

Explanation:

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9. 

A round nose tool may be fed eitner from left to right end or from right to left end of the lathe bed.

A. Yes
B. No

Answer: Option A

Explanation:

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10. 

When the cutting edge of the tool is dull, then during machining

A. continuous chips are formed
B. discontinuous chips are formed
C. continuous chips with built-up edge are formed
D. no chips are formed

Answer: Option C

Explanation:

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