A. silting river
B. scouring river
C. both silting and scouring river
D. neither silting nor scouring river
✅ The correct answer is option A.
Water Resources Engineering and Hydrology MCQs
The best unit duration of storm for a unit hydrograph is________________?
A. 1 hour
B. one-fourth of basin lag
C. one-half of basin lag
D. equal to basin lag
✅ The correct answer is option B.
If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?
A. T = kd
B. T = k/d
C. T= Vkd
D. k= VTd
✅ The correct answer is option A.
The net head under which the turbine reaches its peak efficiency at synchronous speed is called________________?
A. design head
B. rated head
C. gross head
D. operating head
✅ The correct answer is option A.
A multipurpose reservoir is the one which is_________________?
A. designed for one purpose but serves more than one purpose
B. planned and constructed to serve various purposes
C. both (A. and (B.
D. none of the above
✅ The correct answer is option B.
A current meter is used to measure the__________________?
A. velocity of flow of water
B. depth of flow of water
C. discharge
D. none of the above
✅ The correct answer is option A.
Hydrograph is the graphical representation of________________?
A. runoff and time
B. surface runoff and time
C. ground waterflow and time
D. rainfall and time
✅ The correct answer is option A.
Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?
A. low sodium water
B. medium sodium water
C. high sodium water
D. very high sodium water
✅ The correct answer is option B.
A hyetograph is a graphical representation of___________________?
A. rainfall intensity and time
B. rainfall depth and time
C. discharge and time
D. cumulative rainfall and time
✅ The correct answer is option A.
The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by_____________?
A. (0.99)10
B. 1 – (0.99)10
C. (0.9)’00
D. l-(0.9)100
✅ The correct answer is option B.