Related Questions

If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are
A 1.0 and 0.0
B 0.0 and 1.0
C 0.5 and 1.0
D 1.0 and 0.5
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
Voids ratio of a soil mass can
A never be greater than unity
B be zero
C take any value greater than zero
D take values between 0 and 1 only
The ratio of volume of voids to the total volume of soil mass is called
A air content
B porosity
C percentage air voids
D voids ratio
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in
A liquid state
B plastic state
C semi-solid state
D solid state
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
A Rigid
B Tough
C Ductile
D Plastic
The percentage of voids in cement is approximately
A 25%
B 40%
C 60%
D 80%
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
Valid range for n, the percentage voids, is
A [

A. 0

B. 0 ≤ n ≤ 100

B n > 0
C n

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