Production Engineering - Section 1 (3)

Directions to Solve

Production Engineering - Section 1

17.

In oblique cutting system, the maximum chip thickness occurs at the middle.

A.	Correct
B.	Incorrect

Answer: Option B

Explanation:

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18.

Which of the following statement is wrong about ultra-sonic machining?

A.	It is best suited for machining hard and brittle materials.
B.	It cuts materials at very slow speeds.
C.	It removes large amount of material.
D.	It produces good surface finish.

Answer: Option C

Explanation:

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19.

A drill considered as a cutting tool having zero rake, is known as a

A.	flat drill
B.	straight fluted drill
C.	parallel shank twist drill
D.	tapered shank twist drill

Answer: Option B

Explanation:

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20.

A fixture is defined as a device which

A.	holds and locates a workpiece and guides and controls one or more cutting tools
B.	holds and locates a workpiece during an inspection or for a manufacturing operation
C.	is used to check the accuracy of workpiece
D.	all of the above

Answer: Option B

Explanation:

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21.

The facing is an operation of

A.	bevelling the extreme end of a workpiece
B.	embossing a diamond shaped pattern on the surface of a workpiece
C.	reducing the diameter of a workpiece over a very narrow surface
D.	machining the ends of a workpiece to produce a flat surface square with the axis

Answer: Option D

Explanation:

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22.

Gear lapping is an operation

A.	after heat treatment
B.	prior to heat treatment
C.	for gear reconditioning
D.	none of these

Answer: Option A

Explanation:

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23.

Crater wear occurs mainly on the

A.	nose part, front relief face and side relief face of the cutting tool
B.	face of the cutting tool at a short distance from the cutting edge only
C.	cutting edge only
D.	front face only

Answer: Option B

Explanation:

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24.

A fixture does not guide the tool.

A.	Correct
B.	Incorrect

Answer: Option A

Explanation:

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