Specific yield of a well is (A) Quantity of water than can be drawn from the well (B) Flow of water per unit time (C) Total quantity of water available in the well (D) Quantity of water per unit time per unit draw-down

Specific yield of a well is
(A) Quantity of water than can be drawn from the well
(B) Flow of water per unit time
(C) Total quantity of water available in the well
(D) Quantity of water per unit time per unit draw-down
by

1 Answer

Answer :

(C) Total quantity of water available in the well
by

Related questions

Specific yield of well is a) Discharge per unit time b) Yield of well per metre of drawdown* c) Velocity of water per unit time d)None of the above

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The quantity of water retained by the sub-soil against gravity, is known (A) Yield (B) Porosity (C) Specific yield (D) Specific retention

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Corrosion of well pipes may not be reduced by (A) Reducing the draw down and the pumping rate (B) Reducing the flow velocity (C) Using thicker pipes (D) Using screens having larger area of openings

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Pick up the correct statement from the following: (A) The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield (B) The ratio of volume drained to the total volume of material drained, is known as specific yield (C) The sum of specific yield and specific retention, is equal to porosity (D) All the above

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Pick up the correct statement from the following: (A) The ratio of total volume of voids in soil aggregates to the total volume of aggregate, is called Porosity (B) Water retained by the interstices due to molecular attraction, is called pellicular water (C) Sum of the percentage of specific yield and specific retention is 100 (D) All the above

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Specific capacity or yield of wells, is generally expressed, as (A) m 3 per sec (B) m 3 /hour (C) m 3 /hour/m2 (D) m 3 /hour/m2 /m

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The water level in an open well was depressed by pumping 2.5 m and recuperated 2.87 m in 3 hours and 50 minutes. The yield of the well per minute is (A) 0.0033 (B) 0.0044 (C) 0.0055 (D) 0.0066

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In open channels, the specific energy is the (A) Total energy per unit discharge (B) Total energy measured with respect to the datum passing through the bottom of the channel (C) Total energy measured above the horizontal datum (D) Kinetic energy plotted above the free surface of water

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A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) (A) wH (B) wH/2 (C) wH2 /2 (D) wH2 /3

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If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is (A) n + y + r = 1 (B) n + y = r(C) n + r = y(D) y + r = n

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While determining the yield of open wells by the pumping test (A) Velocity of recharging water, increases with depression head (B) Depression head resulting at critical velocity, is called critical depression head (C) Working head is generally limited to (D) Maximum safe yield of an open well, is expected at critical depression head

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Last Answer : Answer: Option A

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