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Compressibility Parameters

The void rati...

Question

The void ratio-pressure diagram is shown below. What is the coefficient of compressibility.

A

0.5 m^{2} / t

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B

0.73 m^{2} / t

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C

0.20 m^{2} / t

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D

0.25 m^{2} / t

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Solution

The correct option is C $0.20 m^{2} / t$
Coefficient of compressibility

$a_{v} = - \frac{Δ e}{Δ σ} = - (\frac{0.6 - 0.7}{17.5 - 17})$

$= 0.20 m^{2} / t$

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