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4

Pick out the wrong statement.

A. Lead can creep under its own weight at room temperature

B. The electrical conductivity of gold is considerably reduced by alloying additions due to the decrease in electron movement

C. Recrystallisation temperature decreases with decrease in strain in a cold worked metal

D. With increase in temperature, the electrical conductivity of intrinsic semi-conductor will increase

Correct Answer :

C. Recrystallisation temperature decreases with decrease in strain in a cold worked metal


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