In which of the following is the expansion of solids a disadvantage?
A
Electric iron
B
Fire alarm
C
The balance wheel of a watch
D
The bimetallic thermometer
E
The fitting of wheels in rims
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #43004)