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Workshop Technology

Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

46 mm
44 mm
42 mm
48 mm

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

Recrystallisation temperature
Lower critical temperature
Upper critical temperature
Eutectic temperature

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Workshop Technology
The property of sand due to which it evolves a great amount of steam and other gases is called

Permeability
Collapsibility
Adhesiveness
Cohesiveness

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Workshop Technology
The electron beam welding can be carried out in

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

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Workshop Technology
When a pattern is made in three parts, the ________ is known as a drag.

Top part
Middle part
None of these
Bottom part

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Workshop Technology
The hot working of metals is carried out

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

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