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UPSC Civil Service Exam Questions - Engineering

Q1:

A three-hinged loaded semicircular arch ACB is shown in the figure given. What is the shearing force at the hinge C ?

A 20 kN

B
20 2 kN

C 10 kN

D
10 2 kN

ANS:C - 10 kN

H=VA=VB=W/2 (for three hinged arches carrying concentrated load W.
= 20/2.
= 10 KN.