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Workshop Technology

Workshop Technology
In electric resistance welding, voltage required for heating is

6 to 10 volts
11 to 20 volts
50 to 100 volts
1 to 5 volts

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Workshop Technology
In shielded arc welding

Welding rod coated with slag is used
None of the listed here
Large electrode is used
Welding rod coated with fluxing material is used

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Workshop Technology
Most of the oxyacetylene welding is done with

Neutral flame
All of these
Oxidizing flame
Carburising flame

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Workshop Technology
The acetylene cylinder is usually painted with

Yellow colour
Maroon colour
White colour
Black colour

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Workshop Technology
The metal extrusion process is generally used for producing

Uniform hollow sections
Varying solid and hollow sections
Uniform solid and hollow sections
Uniform solid sections

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Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

Either (A) or (B)
Argon gas
Helium gas
None of these

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