UPSC Civil Service Exam Questions

Q1:
In the cantilever beam shown in the figure, what is the percentage of bending moment at l/2 with respect to the maximum bending moment at the fixed support ?

A 15%

B 20%

C 25%

D 30%

ANS:C - 25%

As the max moment is WL2/2.

So WL2/2:L::X:L/2.

X = WL2/4 = 1/4 = 25%.



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