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UPSC Civil Service Exam Questions - Engineering

Q1:

What is range of values of Poisson's ratio for ductile materials ?

A 0.10 to 0.15

B 0.16 to 0.20

C 0.21 to 0.24

D 0.25 to 0.33

ANS:B - 0.16 to 0.20

Concrete - 0.15.
Rubber - 0.5.
Steel - 0.3.