Question

I
Which of the following bimetallic strips should she
use at place P?
Metal z
Metal X
A.
В.
Metal x
Metal Z
C.
Metal Y
Metal X
D
Metal Z
Metal Y

Answer 1

Explanation:

Correct option is B)

As coefficient of thermal expansion of X is more. On cooling, it will shrink more. So the strip will bend towards the left.