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Workshop Technology

Workshop Technology
The electron beam welding can be carried out in

Open air
A pressurized inert gas chamber
A shielded gas environment
Vacuum

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Workshop Technology
During cold working process

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

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Workshop Technology
Which of the following welding method uses a pool of molten metal?

Submerged arc welding
TIG arc welding
MIG arc welding
Carbon arc welding

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Workshop Technology
The process of decreasing the cross-section of a bar and increasing its length, is called

Spinning
Peening
Upsetting
Drawing down

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Workshop Technology
The surface to be machined is marked on the pattern by

Yellow colour
Black colour
Blue colour
Red colour

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Workshop Technology
In order to produce uniform packing of sand in the moulds, a _________ is used.

Jolt machine
Stripper plate machine
Sand slinger
Squeezing machine

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