Soil Mechanics and Foundation
A pycnometer is used to determine

voids ratio and dry density
water content and specific gravity
water content and voids ratio
specific gravity and dry density

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Soil Mechanics and Foundation
Coefficient of earth pressure at rest is

greater than both the active earth pressure and passive earth pressure
less than active earth pressure but greater than passive earth pressure
less than both the active and passive earth pressures
greater than active earth pressure but less than passive earth pressure

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