941. The ratio of the volume of water present in a given soil mass to the total volume of its voids, is known
A. porosity
B. void ratio
C. percentage voids
D. degree of saturation.

942. The ratio of volume of air voids to the volume of total voids, is known as
A. air content
B. percentage air voids
C. percentage voids
D. porosity.

943. The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as
A. degree of density
B. relativity
C. density index
D. all the above.

944. If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is
A.25%
B.40%
C.60%
D. 75%.

945. An unsaturated 100 cm3 sample of soil weighs 190g. If its dried weight is 160 g, water content of the soil, is
A.0.188
B.0.288
C.0.388
D.0.488

946. Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.05, is
A.50%
B.. 60%
C.75%
D. 80%.

947. A soil has bulk density 2.30 g/cm3 and water content 15 per cent, the dry density of the sample, is
A. 1.0 Wcm2
B. 1.5 g/cm3
C. 2.0 g/cm3
D. 2.5 g/cm3.

948. Accurate determination of water content, is made by
A. calcium carbide method
B. sand bath method
C. alcohol method
D. oven-drying method.

949. Determination of water content of a soil sample suspected to contain gypsum is made by drying the sample for longer period at a temperature not more than
A. 60?C
B. 80?C
C. 100?C
D. 110?C.

950. A pycnometer is used to determine
A. voids ratio.
B. dry density
C. water content
D. density index.

NOTE
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