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Workshop Technology

Workshop Technology
A file removes the metal during

None of these
Forward stroke
Return stroke
Both forward and return strokes

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Workshop Technology
Carburising flame is used to weld

Hard surfacing materials such as stellite
All of these
Brass and bronze
Steel, cast iron, copper, aluminium etc

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Workshop Technology
Scribing block is used to

Hold the round bars during marking
Check the trueness of flat surfaces
Check the surface roughness
Locate the centres of round bars

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Workshop Technology
The surface to be machined is marked on the pattern by

Yellow colour
Red colour
Black colour
Blue colour

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Workshop Technology
For welding plates of thickness more than 12.5 mm, its edges

Do not require bevelling
Should be bevelled to a single-V or U-groove
Should have a double-V or U-groove on both sides
Should have a double-V or U-groove on one side

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

40°-50°
60°-70°
30°-40°
50°-60°

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