UPSC Civil Service Exam Questions

Q1: A steel cable of 2 cm diameter is used to lift a load of 500π kg. Given that, E = 2 x 106 kg/cm2 and the length of the cable is 10 m, the elongation of the cable due to the load will be

A 0.5 cm

B 0.25

C 1 cm

D 1/π cm

ANS:B - 0.25

Because elongation due to load, not by self-weight.

So, PL/AE.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.