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.Management Sciences
Category: Irrigation, Water Resources Engineering and Hydrology
A repelling groyne is aligned________________?
A. pointing upstream
B. pointing downstream
C. perpendicular to bank
D. parallel to bank
The main cause of meandering is________________?
A. presence of an excessive bed slope in the river
B. degradation
C. the extra turbulence generated by the excess of river sediment during floods
D. none of the above
The sensitivity of a rigid module is_______________?
A. zero
B. between zero and one
C. 1
D. infinity
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
Unit of runoff in M.K.S. system is________________?
A. cubic metre/sec
B. metre/sec
C. cubic metre
D. square metre
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
Interception losses are due to_______________?
1) evaporation
2) transpiration
3) stream flow
The correct answer is?
A. only (1)
B. (1) and (2)
C. (1) and (3)
D. (1), (2) and (3)
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
Instantaneous unit hydrograph is a hydrograph of________________?
1) unit duration
2) unit rainfall excess
3) infinitely small duration
4) infinitely small rainfall excess
The correct answer is?
A. (1) and (2)
B. (1)and(4)
C. (2) and (3)
D. (3) and (4)
An aggrading river is a_________________?
A. silting river
B. scouring river
C. both silting and scouring river
D. neither silting nor scouring river
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