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Workshop Technology

Workshop Technology
Most of the oxyacetylene welding is done with

Carburising flame
All of these
Neutral flame
Oxidizing flame

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Workshop Technology
The operation of bending a sheet of metal along a curved axis, is known as

Forming
Slitting
Plunging
Notching

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Workshop Technology
The hot working of metals is carried out

At any temperature
Below the recrystallisation temperature
At the recrystallisation temperature
Above the recrystallisation temperature

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

60°-70°
40°-50°
30°-40°
50°-60°

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Workshop Technology
Seam welding is best adopted for metal thickness ranging from

5 to 8 mm
8 to 10 mm
0.025 to 3 mm
3 to 5 mm

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Workshop Technology
The acetylene cylinder is usually painted with

Black colour
White colour
Yellow colour
Maroon colour

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