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WORKSHOP TECHNOLOGY

Workshop Technology
Most of the oxyacetylene welding is done with

Neutral flame
Oxidizing flame
All of these
Carburising flame

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

Inside micrometer
Outside micrometer
Combination set
Depth gauge micrometer

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Workshop Technology
Carburising flame is used to weld

Brass and bronze
All of these
Hard surfacing materials such as stellite
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

Upper critical temperature
Eutectic temperature
Lower critical temperature
Recrystallisation temperature

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

40°-50°
30°-40°
50°-60°
60°-70°

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