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UPSC Civil Service Exam Questions - Engineering

Q1:

A fixed beam and a simply supported beam having same span and develop same maximum bending moment due to uniformly distributed load on entire span. What is the ratio of uniformly distributed load on fixed beam to that on simply supported beam ?

A 0.5

B 1

C 1.5

D 3

ANS:D - 3

Option 3 is correct.

Max bending moment at fixed beam =wl^2/24.
Max bending moment at simply-supported beam =wl^2/8.
And the ratio of these two will be = 3.