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UPSC Civil Service Exam Questions - Engineering

Q1:

What are the distribution factors at joint B for the members BA and BC respectively, in the figure at side ?

A 0.57 and 0.43

B 0.43 and 0.57

C 0.50 and 0.50

D 0.36 and 0.64

ANS:C - 0.50 and 0.50

4EI/L. for fixed. 4EI/4 = EI.
3EI/L. for hinged. 3EI/3= EI.
Total. 2EI.
..EI/2EI... = 0.5.
EI/2EI = 0.5.