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Workshop Technology

Workshop Technology
The oxyacetylene gas used in gas welding produce a flame temperature of

3200°C
2100°C
1800°C
2400°C

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Workshop Technology
The metal patterns as compared to wooden patterns require less

Shrinkage allowance
Distortion allowance
Machining allowance
Draft allowance

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Workshop Technology
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.

Same as
Less than
More than
None of these

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Workshop Technology
In piercing operation, the clearance is provided on

Die
Either on punch or die depending upon designer's choice
Half on the punch and half on the die
Punch

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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

Punching
Blanking
Piercing
Shearing

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Workshop Technology
Carburising flame is used to weld

All of these
Steel, cast iron, copper, aluminium etc
Hard surfacing materials such as stellite
Brass and bronze

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