GATE Exam Questions - Engineering

Q1:

If the porosity of a soil sample is 20%, the void ratio is

A 0.20

B 0.80

C 1.00

D 0.25

ANS:D - 0.25

e= n/(1-n).
= 0.2/(1-0.2) = 0.2/0.8 = 0.25.