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Workshop Technology

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

2100°C
1800°C
2400°C
3200°C

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Workshop Technology
In backhand welding, the angle between the welding torch and the work is kept as

60°-70°
50°-60°
40°-50°
30°-40°

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Workshop Technology
Most of the oxyacetylene welding is done with

All of these
Carburising flame
Neutral flame
Oxidizing flame

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Workshop Technology
The welding process used to join the ends of two pipes of uniform cross-section, is

Seam welding
Spot welding
Upset butt welding
Projection welding

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Workshop Technology
For gas welding, the pressure desired at the welding torch for acetylene is

7 to 103 kN/m²
560 to 840 kN/m²
280 to 560 kN/m²
70 to 280 kN/m²

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Workshop Technology
The fullers are used

To finish the punched hole
For finishing flat surfaces
For necking down a piece of work
For punching a hole

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