UPSC Civil Service Exam Questions

Q1:
Cross sections of two beams A (600mm x 200mm) and B (800mm x 60mm) are shown in the given figure. Both the beams have the same material. By how many times is the beam A stronger than the beam B in resisting bending ?

A 80

B 60

C 50

D 25

ANS:D - 25

(b1xd1^2/6)/(b2xd2^2/6)= b1d1^2/b2d2^2.



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