Manufacturing And Production Technology
Cold working of steel is defined as working

At its recrystallisation temperature
Above its recrystallisation temperature
At two thirds of the melting temperature of the metal
Below its recrystallisation temperature

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Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too soft or wheel revolves at a very slow speed
Wheel is too soft and wheel revolves at a very high speed
Wheel is too hard or wheel revolves at a very high speed
Wheel is too hard and wheel revolves at very slow speed

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