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Workshop Technology

Workshop Technology
The electron beam welding can be carried out in

A shielded gas environment
Open air
A pressurized inert gas chamber
Vacuum

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Workshop Technology
The acetylene cylinder is usually painted with

Black colour
Maroon colour
White colour
Yellow colour

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Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Blow holes
Cold shuts
Swell
Shift

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Workshop Technology
Metal patterns are used for

Large castings
Small castings
Complicated castings
Large scale production of castings

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Workshop Technology
In arc welding, the temperature of heat produced by the electric arc is of the order of

6000°C to 7000°C
4000°C to 5000°C
3000°C to 4000°C
5000°C to 6000°C

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Workshop Technology
A mortise gauge is a

Planing tool
Striking tool
Boring tool
Marking tool

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