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Workshop Technology

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

1800°C
3200°C
2400°C
2100°C

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Workshop Technology
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Sand wash
Swell
Shift
Scab

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

8
18
12
20

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Workshop Technology
The electron beam welding can be carried out in

A shielded gas environment
Open air
Vacuum
A pressurized inert gas chamber

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Workshop Technology
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is

15 litres
20 litres
5 litres
10 litres

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Workshop Technology
In forehand welding, the weld is made

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

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