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UPSC Civil Service Exam Questions - Engineering

Q1:

In a particular material, if the modulus of rigidity is equal to the bulk modulus, then the Poisson's ratio will be

A

B

C

D 1

ANS:A -

G = E/2(1+u).
k = E/3(1-2u).
u = Poisson's ratio.
G = K.

Answer is A