921. Piezometers are used to measure
A. pressure in water channels, pipes etc.
B. difference in pressure at two points
C. atmospheric pressure
D. very low pressure.

922. Manometers are used to measure
A. pressure in water channels, pipes etc.
B. difference in pressure at two points
C. atmospheric pressure
D. very low pressure.

923. Differential manometers are used to measure
A. pressure in water channels, pipes, etc.
B. difference in pressure at two points
C. atmospheric pressure
D. very low pressure.

924. To measure very low pressure, we use
A. barometers
B. piezometers
C. manometers
D. differential manometers.

925. Maximum size of clay particles, is :
A. 0.002 mm
B. 0.04 mm
C. 0.06 mm
D. 0.08 mm

926. The water content of soil is defined as the ratio of
A. volume of water to volume of given soil
B. volume of water to volume of voids in soil
C. weight of water to weight of air in voids
D. weight of water to weight of solids of given mass of soil.

927. Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from
A. 80? to 90?C
B. 90? to 95?C
C. 95? to 100?C
D. 105? to 110?C.

928. Buoyant unit weight equals the saturated density
A. multiplied by unit weight of water
B. divided by unit weight of)water
C. plus unit weight of water
D. minus unit weight of water.

929. According to the Indian Standards the specific gravity is the ratio of the unit weight of soil solids to that of water at a temperature of
A. 17?C
B. 23?C
C. 27?C
D. 30?.

930. The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
A. porosity
B. specific gravity
C. void ratio
D. water content.

NOTE
IF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.
PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.
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