A deep well_________________?
(A) is always deeper than a shallow well
(B) has more discharge than a shallow well
(C) is weaker structurally than a shallow well
(D) both (A) and (B)
The useful storage is the volume of water stored in the reservoir between________________?
(A) minimum pool level and maximum pool level
(B) minimum pool level and normal pool level
(C) normal pool level and maximum pool level
(D) river bed and minimum pool level
For a flood control reservoir, the effective storage is equal to_______________?
(A) useful storage – valley storage
(B) useful storage + surcharge storage
(C) useful storage + surcharge storage + valley storage
(D) useful storage + surcharge storage -valley storage
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?
(A) 50 years
(B) 150 years
(C) 200 years
(D) 250 years
The uplift pressure on a dam can be controlled by_________________?
(A) only (1)
(B) both (1) and (2)
(C) both (1) and (3)
(D) (1), (2) and (3)
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
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 depth of water required to bring the soil moisture content of a given soil upto its field capacity is called_________________?
(A) hygroscopic water
(B) equivalent moisture
(C) soil moisture deficiency
(D) pellicular water
Infiltration is the_______________?
(A) movement of water through the soil
(B) absorption of water by soil surface
(C) both (A) and (B)
(D) none of the above
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