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Workshop Technology

Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Blow holes
Cold shuts
Swell
Shift

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Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Cold peening
Extrusion
Cold heading
Hot piercing

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Workshop Technology
A basic shaft is one whose

Upper deviation is zero
None of the listed here
Lower and upper deviations are zero
Lower deviation is zero

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Workshop Technology
A neutral flame is obtained by supplying

More volume of acetylene and less volume of oxygen
More volume of oxygen and less volume of acetylene
Equal volumes of oxygen and acetylene
None of the listed here

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Workshop Technology
The increase in hardness due to cold working, is called

Work hardening
Age hardening
Induction hardening
Flame hardening

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Workshop Technology
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.

More
Less
Same
None of these

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