A. demand cannot be met by inflow
B. reservoir was not full at the beginning
C. both (A) and (B)
D. none of the above
✅ The correct answer is option A.
Water Resources Engineering and Hydrology MCQs
When surface of transpiration is submerged under water, then potential evapotranspiration is________________?
A. much more than evapotranspiration
B. much less than evapotranspiration
C. equal to evapotranspiration
D. equal to or less than evapotranspi-ration
✅ The correct answer is option A.
Lining of irrigation channels________________?
A. increases the waterlogging area
B. decreases the waterlogging area
C. does not change the water logging area
D. none of the above
✅ The correct answer is option B.
When the reservoir is full, the maximum compressive force in a gravity dam is produced______________?
A. at the toe
B. at the heel
C. within the middle third of base
D. at centre of base
✅ The correct answer is option A.
Trap efficiency of a reservoir is a function of_______________?
A. capacity/inflow ratio
B. capacity/outflow ratio
C. outflow/inflow ratio
D. none of the above
✅ The correct answer is option A.
Which of the following is a non-recording raingauge ?
A. tipping bucket type raingauge
B. Simon’s raingauge
C. Steven’s weighing type raingauge
D. floating type raingauge
✅ The correct answer is option B.
For the upstream face of an earthen dam, the most adverse condition for stability of slope is_______________?
A. sudden drawdown
B. steady seepage
C. during construction
D. sloughing of slope
✅ The correct answer is option A.
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
A. tipping bucket type
B. weighing type
C. floating type
D. Simon’s raingauge
✅ The correct answer is option A.
The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by______________?
A. 4RS
B. 11 RS
C. 7RS
D. 15 RS
✅ The correct answer is option B.
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 correct answer is option A.