Chemical Engineering - Materials and Construction - Discussion

Discussion Forum : Materials and Construction - Section 6 (Q.No. 33)

Materials and Construction

33.

Pick out the wrong statement.

The toughness of a material decreases, when it is heated.

Crane hooks are normally made of wrought iron.

Cold working of a metal decreases its fatigue strength.

The temperature at which new grains are formed in a metal is known as the recrystallisation temperature.

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