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
Related Mcqs:
- The flow-mass curve is graphical representation of__________________?
A. cumulative discharge and time
B. discharge and percentage probability of flow being equaled or exceeded
C. cumulative discharge, volume and time in chronological order
D. discharge and time in chronological order - The stream which does not have any base flow contribution is called________________?
A. perennial stream
B. intermittent stream
C. ephemeral stream
D. none of the above - For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?
A. 0.2 x 106
B. 0.6 x 106
C. 2.4 xlO6
D. 7.2 xlO6 - To determine the discharge at a section in a stream from its rating curve, the required data are_______________?
1) slope of water surface at the section
2) stage at the section
3) current meter readings at the section
The correct answer is?A. (1) and (2)
B. (2) and (3)
C. only (2)
D. only (3) - Cyclonic precipitation is caused by lifting of an air mass due to________________?
A. pressure difference
B. temperature difference
C. natural topographical barriers
D. all of the above - In a chute spillway, the flow is usually____________________?
A. uniform
B. subcritical
C. critical
D. super critical - The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?
A. 20 3/sec
B. 25 m3/sec
C. 30 m3/sec
D. 35 m3/sec - The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?
A. at right angle and parallel to weir crest
B. parallel and at right angle to weir crest
C. parallel to weir crest in both
D. at right angle to weir crest in both - Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true - The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called________________?
A. proportionality
B. flexibility
C. setting
D. sensitivity