A. design head
B. rated head
C. gross head
D. operating head
Related Mcqs:
- 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 - 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 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 - 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 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 - 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 - The “outlet discharge factor” is the duty at the head of_________________?
A. main canal
B. branch canal
C. watercourse
D. distributory - 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 - As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________?
A. lower level
B. higher level
C. same level
D. any of the above depending on the design - 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
