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UPSC Civil Service Exam Questions - Engineering

Q1:

The beam shown in the figure given above is subjected to concentrated load and clockwise couple. What is the vertical reaction at A ?

A 10 kN

B 40 kN

C 50 kN

D 30 kN

ANS:A - 10 kN

Sum of MaB=0, +Va*8-50*4+120=0 solve for Va, Va=10kN.