A. lower level
B. higher level
C. same level
D. any of the above depending on the design
Related Mcqs:
- 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 - In a Sarda type fall, rectangular crest is used for discharge upto______________?
A. 6 cumecs
B. 10 cumecs
C. 14 cumecs
D. 20 cumecs - Generally the weir is aligned at right angles to the direction of the main river current because______________?
A. it ensures less length of the weir
B. it gives better discharging capacity
C. it is economical
D. all 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 mm respectively, then the storm precipitation for station X will be___________________?
A. 70mm
B. 80mm
C. 90 mm
D. 105 mm - As compared to gravity dams, earthen dams__________________?
A. are costlier
B. are less susceptible to failure
C. require sound rock foundations
D. require less skilled labour - A hydroelectric scheme operating under a head of 80 m will be classified as_____________?
A. low head scheme
B. medium head scheme
C. high head scheme
D. none of the above - The net speed under which the turbine reaches its peak efficiency is called_________________?
A. design speed
B. rated speed
C. gross speed
D. operating speed - Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
A. flat water surface
B. convex water surface
C. concave water surface
D. independent of shape of water surface - 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 forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________________?
1) Water pressure
2) Self weight
3) Uplift
4) Pressure due to earthquake
The correct answer isA. Only (2)
B. (1), (2) and (3)
C. (1), (2) and (4)
D. (1), (2), (3) and (4)