SSC JE Civil Engineering 30-Oct-2020 Shift 2 Paper

Question : 150 of 200

Marks: +1, -0

A soil sample has porosity 25%. Calculate its void ratio.

Solution:

Concept:
The relation between void ratio and porosity of soil sample is given as: n

={\e}/{1+\e}

Where
n is porosity and e is void ratio.
Calculation:
Given: n = 0.25

\n={\e}/{1+\e}

0.25={\e}/{1+\e}

∴ e = 0.34

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