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

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

3000°C to 4000°C

4000°C to 5000°C

6000°C to 7000°C

5000°C to 6000°C

3000°C to 4000°C

4000°C to 5000°C

6000°C to 7000°C

5000°C to 6000°C

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Workshop Technology
An oxidising process used for aluminium and magnesium articles is called

Galvanizing

Anodizing

Sherardizing

Parkerising

Galvanizing

Anodizing

Sherardizing

Parkerising

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Workshop Technology
Loam sand is a mixture of

70% sand and 30% clay

50% sand and 50% clay

30% sand and 70% clay

90% sand and 10% clay

70% sand and 30% clay

50% sand and 50% clay

30% sand and 70% clay

90% sand and 10% clay

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Workshop Technology
In permanent mould casting method

Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

Molten metal is forced into mould under high pressure

None of these

Molten metal is poured and allowed to solidify while the mould is revolving

Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

Molten metal is forced into mould under high pressure

None of these

Molten metal is poured and allowed to solidify while the mould is revolving

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Workshop Technology
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Inside micrometer

Vernier caliper

Depth gauge micrometer

Outside micrometer

Inside micrometer

Vernier caliper

Depth gauge micrometer

Outside micrometer

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Workshop Technology
The electron beam welding can be carried out in

A pressurized inert gas chamber

Open air

Vacuum

A shielded gas environment

A pressurized inert gas chamber

Open air

Vacuum

A shielded gas environment

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Workshop Technology

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

Workshop Technology An oxidising process used for aluminium and magnesium articles is called

Workshop Technology Loam sand is a mixture of

Workshop Technology In permanent mould casting method

Workshop Technology The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Workshop Technology The electron beam welding can be carried out in

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

Workshop Technology
An oxidising process used for aluminium and magnesium articles is called

Workshop Technology
Loam sand is a mixture of

Workshop Technology
In permanent mould casting method

Workshop Technology
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Workshop Technology
The electron beam welding can be carried out in