Production Engineering - Section 1 (4)

Directions to Solve

Production Engineering - Section 1

25.

The method of grinding used to produce a straight or tapered surface on a workpiece, is

A.	internal cylindrical grinding
B.	form grinding
C.	external cylindrical grinding
D.	surface grinding

Answer: Option C

Explanation:

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26.

Side rake angle on tools is provided to control chip flow.

A.	True
B.	False

Answer: Option A

Explanation:

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27.

The maximum production of small and slender parts is done by

A.	watch maker's lathe
B.	sliding head stock automatic lathe
C.	multispindle automatic lathe
D.	capastan lathe

Answer: Option C

Explanation:

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28.

The average cutting speed for turning brass with a high speed steel tool is

A.	15 to 19 m/min
B.	25 to 31 m/min
C.	60 to 90 m/min
D.	90 to 120 m/min

Answer: Option C

Explanation:

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29.

The lip angle of a single point tool is usually

A.	20° to 40°
B.	40° to 60°
C.	60° to 80°
D.	none of these

Answer: Option C

Explanation:

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30.

The rake angle required to machine brass by high speed steel tool is

A.	0°
B.	10°
C.	20°
D.	-10°

Answer: Option A

Explanation:

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31.

A twist drill is a

A.	side cutting tool
B.	front cutting tool
C.	end cutting tool
D.	none of these

Answer: Option C

Explanation:

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32.

Twist drills are made of

A.	high speed steel
B.	carbon steel
C.	stainless steel
D.	either (a) or (b)

Answer: Option D

Explanation:

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