UPSC Civil Service Exam Questions

Q1: A dry soil has a mass specific gravity of 1.35. If the specific gravity of solids is 2.7, then the void ratio will be

A 0.5

B 1.0

C 1.5

D 2.0

ANS:B - 1.0

Gm = Yb/Yw, Yb= 1.35 x9. 81= 13.24.
Since the soil is dry Yb= GYw/1+e, S=0,
13.24=2.7x9.81/1+e,
e =1.



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