The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will _________________?

(A) remain same (X)
(B) decrease (X)
(C)  increase ()
(D) first increase and then decrease (X)
(E) show unpredictable behaviour (X)

Answers: The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will increase.