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Workshop Technology

Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

Helium gas
Argon gas
Either (A) or (B)
None of these

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Workshop Technology
The hot working of metals is carried out

At any temperature
At the recrystallisation temperature
Above the recrystallisation temperature
Below the recrystallisation temperature

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Workshop Technology
Which of the following welding process uses non-consumable electrodes?

Manual arc welding
TIG welding
MIG welding
Submerged arc welding

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Workshop Technology
The brass and bronze are welded by _________ flame.

Neutral
Carburising
Oxidizing
All of these

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Workshop Technology
In ___ welding, the weld may be made either from left to right or from right to left.

None of the listed here
Forehand
Vertical
Backhand

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Workshop Technology
In a four high rolling mill, there are four rolls out of which

One is working roll and three are backing up rolls
Two are working rolls and two are backing up rolls
Three are working rolls and one is backing up roll
All of the four are working rolls

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