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Workshop Technology

Workshop Technology
In electric resistance welding, pressure applied varies from

1 to 5 MPa
5 to 10 MPa
25 to 55 MPa
10 to 25 MPa

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Workshop Technology
A basic shaft is one whose

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

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Workshop Technology
Cold working of metal increases

All of these
Tensile strength
Hardness
Yield strength

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

Shift
Cold shuts
Blow holes
Swell

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Workshop Technology
The temperature at which the new grains are formed in the metal is called

Eutectic temperature
Lower critical temperature
Upper critical temperature
Recrystallisation temperature

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

None of the listed here
Less
Same
More

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