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Workshop Technology

Workshop Technology
In backhand welding, the angle between the welding rod and the work is ___ as compared to forehand welding.

More
Less
None of the listed here
Same

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Workshop Technology
In welding copper alloys with TIG arc welding

Direct current with reversed polarity is used
Direct current with straight polarity is used
Any one of the listed here
Alternating current is used

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Workshop Technology
The teeth of hacksaw blade are bent

May be bent in any direction
Alternately towards right and left and every third or fourth left straight
Towards left
Towards right

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Workshop Technology
According to Indian standards, the total numbers of tolerance grades are

8
20
12
18

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

Recrystallisation temperature
Eutectic temperature
Upper critical temperature
Lower critical temperature

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Workshop Technology
The process of decreasing the cross-section of a bar and increasing its length, is called

Drawing down
Spinning
Upsetting
Peening

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