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UPSC Civil Service Exam Questions - Engineering

Q1:

The structure shown in the given figure is stable if

A x = 2y

B 2x = y

C
2x = y

D
x = 2y

ANS:D -

x = 2y

EQUATE BENDING MOMENT OF BOTH SIDES;
Wx^2/2=2Wy^2/2.
x=√ 2 y.