The water stored in the reservoir below the minimum pool level is called_______________? A. useful storageB. dead storage C. valley storage D. surcharge storage

A multipurpose reservoir is the one which is_________________? A. designed for one purpose but serves more than one purposeB. planned and constructed to serve various purposes C. both (A. and (B. D. none of the above

An artesian aquifer is the one where______________? A. water surface under the ground is at atmospheric pressureB. water is under pressure between two impervious strata C. water table serves as upper surface of zone of saturation D. none of the…

Dimensions of coefficient of transmissibility are______________? A. M°L°T° B. rvfL’T”1C. M° L2 T1 D. M’LV

S-hydrograph is used to obtain unit hydrograph of________________? A. shorter duration from longer duration B. longer duration from shorter durationC. both (A) and (B) D. none of the above

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________? A. direct runoff volume B. period of storm C. total rainfall D. none of the above

The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80…

If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be_____________________? A. 15 minutes B. 20 minutes C. 30 minutesD. 60…

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will…

Unit of runoff in M.K.S. system is________________? A. cubic metre/sec B. metre/sec C. cubic metre D. square metre