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Workshop Technology

Workshop Technology
The property of sand due to which the sand grains stick together is called

Permeability
Cohesiveness
Adhesiveness
Collapsibility

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Workshop Technology
A two high rolling mill consists of two rolls which rotate

At the same speed and in the same direction
At different speeds and in the opposite direction
At different speeds and in the same direction
At the same speed but in opposite direction

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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

Sand wash
Scab
Swell
Shift

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Workshop Technology
The cold chisels are made by

Forging
Drawing
Piercing
Rolling

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Workshop Technology
For gas welding, the pressure desired at the welding torch for oxygen is

280 to 560 kN/m²
70 to 280 kN/m²
560 to 840 kN/m²
7 to 103 kN/m²

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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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