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WORKSHOP TECHNOLOGY

Workshop Technology
Most of the oxyacetylene welding is done with

All of these
Oxidizing flame
Carburising flame
Neutral flame

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Workshop Technology
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

Outside micrometer
Inside micrometer
Combination set
Depth gauge micrometer

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Workshop Technology
Carburising flame is used to weld

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

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

Lower critical temperature
Recrystallisation temperature
Upper critical temperature
Eutectic temperature

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Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

60°-70°
50°-60°
30°-40°
40°-50°

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