Download Aptitude Crack
img not found img not found

UPSC Civil Service Exam Questions - Engineering

Q1:

A sand deposit has a porosity of 0.375 and a specific gravity of 2.6, the critical hydraulic gradient for the sand deposit is

A 2.975

B 2.225

C 1

D 0.75

ANS:C - 1

Here, i = (G - 1)/(1 + E).
FIND E = N/(1-N).