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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 magnesium with TIG arc welding, direct current with ________ is used.

Reversed polarity
Both (A) and (B)
None of these
Straight polarity

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Workshop Technology
In forehand welding, the weld is made

Either from left to right or from right to left
From left to right
From right to left
First from left to right and then from right to left

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Workshop Technology
The oxyacetylene gas used in gas welding produce a flame temperature of

3200°C
1800°C
2400°C
2100°C

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

Peening
Upsetting
Spinning
Drawing down

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Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Swell
Cold shuts
Blow holes
Shift

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