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Manufacturing And Production Technology

Manufacturing And Production Technology
What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?

Helium
Argon Helium
Argon H₂
Argon CO₂

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Manufacturing And Production Technology
A mandrel is used to hold

A heavy work
An eccentric work
A thin work
None of these

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Manufacturing And Production Technology
In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

Tool and cutter grinder
Internal grinder
Cylindrical grinder
Surface grinder

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

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

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Manufacturing And Production Technology
The binding material used in cemented carbide tools is

Chromium
Silicon
Cobalt
Tungsten

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Manufacturing And Production Technology
A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is

20.7
2.07
41.4

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