Pick out the wrong statement.
(A) The toughness of a material decreases, when it is heated
(B) Crane hooks are normally made of wrought iron
(C) Cold working of a metal decreases its fatigue strength
(D) The temperature at which new grains are formed in a metal is known as
the recrystallisation temperature
(A) The toughness of a material decreases, when it is heated
(B) Crane hooks are normally made of wrought iron
(C) Cold working of a metal decreases its fatigue strength
(D) The temperature at which new grains are formed in a metal is known as
the recrystallisation temperature