UPSC Civil Service Exam Questions

Q1: The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is

A 2

B 1

C 1/2

D 1/4

ANS:C - 1/2

Elongation due to self wt = PL/2AE,
Elongation due to external load = PL/AE,
Then ratio will be according to question = 1/2.



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.