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Workshop Technology

Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

Either (A) or (B)
Argon gas
Helium gas
None of these

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Workshop Technology
The cold working of metals is carried out

Below the recrystallisation temperature
At the recrystallisation temperature
Above the recrystallisation temperature
At any temperature

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Workshop Technology
In order to get uniform thickness of the plate by rolling process, one provides

Antifriction bearings
Offset on the rolls
Hardening of the rolls
Camber on the rolls

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Workshop Technology
When the file is moved to and fro over the work, it is known as

Draw filing
None of these
Cross filing
Pull and push filing

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Workshop Technology
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Shift
Swell
Scab
Sand wash

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Workshop Technology
During cold working process

Strength and hardness of metal increases
All of the listed here
Close dimensional tolerance can be maintained
Grain structure is distorted

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