Mechanical Engineering - Production Engineering

1. 

The example of snag grinding is

A. trimming the surface left by sprues and risers on castings
B. grinding the parting line left on castings
C. removing flash on forgings
D. all of these

Answer: Option D

Explanation:

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2. 

The angle between the shear plane and __________ is called shear angle.

A. work surface
B. tool face

Answer: Option A

Explanation:

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3. 

In machining soft materials, a tool with negative relief angle is used.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

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4. 

Which of the following parameters influence the axial feed rate in centreless grinding?

A. Regulating wheel diameter
B. Speed of the regulating wheel
C. Angle between the axes of grinding and regulating wheels
D. all of the above

Answer: Option D

Explanation:

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5. 

The lathe spindles are usually made hollow and provided with

A. internal taper
B. external taper
C. internal and external taper
D. no taper

Answer: Option A

Explanation:

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