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
10 litres
5 litres

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Workshop Technology
Spot welding is used for welding

Butt 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
Lap joints in plates having thickness above 3 mm

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