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Workshop Technology

Workshop Technology
The acetylene cylinder is usually painted with

Maroon colour
White colour
Black colour
Yellow colour

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Workshop Technology
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

Die casting method
Centrifugal casting method
Permanent mould casting method
Slush casting method

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Workshop Technology
The temperature of the inner luminous cone of neutral flame is about

1250°C
3200°C
1000°C
2100°C

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Workshop Technology
In shielded arc welding

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

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Workshop Technology
Thread rolling is restricted to

Ferrous materials
None of these
Hard materials
Ductile materials

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Workshop Technology
In welding copper alloys with TIG arc welding

Any one of the listed here
Direct current with reversed polarity is used
Direct current with straight polarity is used
Alternating current is used

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