Two rings made of metals A and B with ring A having a larger diameter, are placed concentrically leaving an annular gap. The thermal expansion coefficients of the two metals are CA and CB. Identify the correct statement(s) from the following.
A. The gap will decrease if CA < CB.
B. The gap will remain the same if CA = CB.
C. The gap will increase if CA < CB.
1
Only A
2
A and B
3
Only C
4
B and C