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UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following statements is correct ?
Linear arch is one which represents :

A centre line of an arch

B variation of bending moment

C thrust line

D variation of shear force

ANS:C - thrust line

As per Eddy's Theorem.

M~Y.

WHERE M = moment in the actual arch.
Y= vertical intercept between actual & linear arch.