The temperature at which the new grains are formed in the metal is called

Workshop Technology
The temperature at which the new grains are formed in the metal is called

Upper critical temperature

Lower critical temperature

Eutectic temperature

Recrystallisation temperature

Upper critical temperature

Lower critical temperature

Eutectic temperature

Recrystallisation temperature

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The blank diameter used in thread rolling will be

A little larger than the minor diameter of the thread

Equal to pitch diameter of the thread

Equal to minor diameter of the thread

A little larger than the pitch diameter of the thread

A little larger than the minor diameter of the thread

Equal to pitch diameter of the thread

Equal to minor diameter of the thread

A little larger than the pitch diameter of the thread

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In electric resistance welding, voltage required for heating is

11 to 20 volts

1 to 5 volts

50 to 100 volts

6 to 10 volts

11 to 20 volts

1 to 5 volts

50 to 100 volts

6 to 10 volts

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In permanent mould casting method

Molten metal is forced into mould under high pressure

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

None of these

Molten metal is forced into mould under high pressure

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

None of these

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The cross-section of a chisel is usually

Octagonal

Hexagonal

Square

Rectangular

Octagonal

Hexagonal

Square

Rectangular

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The advantage of Thermit welding is that

Results in a minimum problem with internal residual stresses

All parts of the weld section are molten at the same time

All of these

Weld cools almost uniformly

Results in a minimum problem with internal residual stresses

All parts of the weld section are molten at the same time

All of these

Weld cools almost uniformly

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Workshop Technology

Workshop Technology The temperature at which the new grains are formed in the metal is called

Workshop Technology The blank diameter used in thread rolling will be

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

Workshop Technology In permanent mould casting method

Workshop Technology The cross-section of a chisel is usually

Workshop Technology The advantage of Thermit welding is that

Workshop Technology
The temperature at which the new grains are formed in the metal is called

Workshop Technology
The blank diameter used in thread rolling will be

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

Workshop Technology
In permanent mould casting method

Workshop Technology
The cross-section of a chisel is usually

Workshop Technology
The advantage of Thermit welding is that