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
5 litres
20 litres
10 litres

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Workshop Technology
Spot welding is used for welding

Lap joints in plates having thickness above 3 mm
Lap joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having thickness above 3 mm

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