Q. The quantity of water retained by the sub-soil against gravity, is known

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Q. Pick up the incorrect statement from the following :

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Q. If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in acquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is

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Q. Water contains

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Q. Unit Hydrograph theory was enunciated by

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Q. The theory of infiltration capacity was given by

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Q. Hydrology helps in

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Q. Pick up the correct statement from the following :

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Q. Pick up the correct statement from the following :

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Q. A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the auifer, is

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Q. Shrouding is provided in

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Q. The efficiency of a pump may be taken as

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Q. Pick up the correct statement from the following :

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Q. The surface Run-off is the quantity of water

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Q. Pick up the correct equation from the following :

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Q. Infiltration capacity of soil depends upon

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Q. Pick up the correct statement from the following :

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Q. The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is

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Q. If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying

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Q. For determination of average annual precipitation in a catchment basin, the best method is

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