Irrigation, Water Resources Engineering and Hydrology

A. flat water surface
B. convex water surface
C. concave water surface
D. independent of shape of water surface

A. much more than evapotranspiration
B. much less than evapotranspiration
C. equal to evapotranspiration
D. equal to or less than evapotranspi-ration

A. increase in intensity of rain
B. increase in infiltration capacity
C. increase in permeability of soil
D. all of the above

A. velocity of flow of water
B. depth of flow of water
C. discharge
D. none of the above

A. 50 mm
B. 60 mm
C. 90 mm
D. 140 mm

A. 1 hour
B. one-fourth of basin lag
C. one-half of basin lag
D. equal to basin lag

A. same duration only
B. same and shorter duration
C. same and longer duration
D. any duration

A. PT = 1
B. PT2 = 1
C. P/T = 1
D. P/T2 = 1

A. T = kd
B. T = k/d
C. T= Vkd
D. k= VTd

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)