The stream which does not have any base flow contribution is called________________?

Related Mcqs:

1. 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

2. 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)

3. 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

4. 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

5. The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called________________?

   A. effective rainfall
   B. consumptive use
   C. consumptive irrigation requirement
   D. net irrigation requirement

6. If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that______________?

   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

7. When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

   A. 0 and wH212
   B. wH2/2and wH2/3
   C. wH and 0
   D. OandwII

   where w is unit weight of water and H is the depth of water

8. The maximum permissible eccentricity for no tension at the base of a gravity dam is__________________?

   A. B/2
   B. B/3
   C. B/4
   D. B/6

9. In a chute spillway, the flow is usually____________________?

   A. uniform
   B. subcritical
   C. critical
   D. super critical

10. 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