Mechanical Engineering - Production Engineering

11. 

A fine grained grinding wheel is used to grind hard materials.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

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12. 

Cast iron during machining produces

A. continuous chips
B. discontinuous chips
C. continuous chips with built-up-edge
D. none of these

Answer: Option B

Explanation:

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13. 

A single point thread cutting tool should ideally have

A. zero rake angle
B. positive rake angle
C. negative rake angle
D. point angle

Answer: Option A

Explanation:

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14. 

The work or surface speed for cylindrical grinding varies from

A. 5 to 10 m/min
B. 10 to 20 m/min
C. 20 to 30 m/min
D. 40 to 60 m/min

Answer: Option C

Explanation:

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15. 

The cutting tool in a milling machine is mounted on

A. spindle
B. arbor
C. column
D. knee

Answer: Option B

Explanation:

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