UPSC Civil Service Exam Questions - Engineering

Q1:

Two closely-coiled springs A and Bof the same material, same wire and same number of turns are subjected to an axial load of W. The mean diameter of spring A is half that of spring B. The ratio of deflection of spring B to that of spring A will be

A 8

B 4

C 1/4

D 1/8

ANS:C - 1/4

Yes, 8 is the right answer. I too agree.