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UPSC Civil Service Exam Questions - Engineering

Q1:

When the degree of consolidation is 50%, the time factor is about

A 0.2

B 0.5

C 1.0

D 2.0

ANS:A - 0.2

Tv= π/4*U*U
U=50%.
Tv= 3.14/4(.50*.50),
=0.196.