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WORKSHOP TECHNOLOGY

Workshop Technology
Most of the oxyacetylene welding is done with

Carburising flame
Neutral flame
Oxidizing flame
All of these

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

Outside micrometer
Depth gauge micrometer
Combination set
Inside micrometer

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Workshop Technology
Carburising flame is used to weld

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

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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
Eutectic temperature
Upper critical temperature

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

40°-50°
60°-70°
30°-40°
50°-60°

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