Which one of the following metals would work-harden more quickly than the others?

A. Copper

B. Brass

C. Lead

D. Silver

Answer: Option B

Solution(By Examveda Team)

Unlike steel alloys, brass cannot be hardened by heating.
Brass can only be strain or work-hardened.
The hardening occurs when the material is worked mechanically, e.g. by cold working.
The action of force does not harden brass