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Workshop Technology

Workshop Technology
Acetylene gas is stored in cylinders in

Any one of the listed here
Solid form
Gaseous form
Liquid form

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Workshop Technology
The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called

Blanking
Piercing
Punching
Shearing

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Workshop Technology
In a centrifugal casting method

Core is made of sand
No core is used
Core is made of nonferrous metal
Core is made of ferrous metal

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Workshop Technology
During cold working process

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

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Workshop Technology
A casting defect which results in general enlargement of a casting is known as

Scab
Shift
Sand wash
Swell

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Workshop Technology
The tolerance produced by shell moulding process of casting is

±0.2 mm
+0.5 mm
±1 mm
+0.05 mm

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