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Manufacturing And Production Technology

Manufacturing And Production Technology
The purpose of jigs and fixtures is to

Increase machining accuracy
Facilitate interchangeability
Decrease expenditure on quality control
All of these

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Manufacturing And Production Technology
For softer materials, the point angle of the drill is kept

More than 118°
Any one of these
Less than 118°
Equal to 118°

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Manufacturing And Production Technology
In drilling Bakelite and fibrous plastics, the point angle of a drill is

90°
135°
150°
118°

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Manufacturing And Production Technology
The average cutting speed for turning mild steel with a high speed steel tool is

25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
15 to 19 m/min

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Manufacturing And Production Technology
Misrun is a casting defect which occurs due to

Very high pouring temperature of the metal
Absorption of gases by the liquid metal
Improper alignment of the mould flasks
Insufficient fluidity of the molten metal

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Manufacturing And Production Technology
The tool life is affected by

Feed
All of the listed here
Depth of cut
Cutting speed

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