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.Management Sciences
Category: Water Management
The depth of root zone for rice crop is about___________________?
0
A. 70 cm
B. 80 cm
C. 90 cm
D. 100 cm
The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?
A. Under sluices
B. Head sluices
C. Scouring sluices
D. Sluice gates
velocity of gases is measured with a _____________________?
A. Hot wire manometer
B. Hot wire anemometer
C. Barometer
D. All are correct
When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?
A. Aqueduct
B. Syphon-aqueduct
C. Cross-Drainage
D. Non-gravity structure
A well penetrated in ground water confined between impervious layer at its top and bottom is called __________________?
A. Non-artesian
B. Artesian well
C. Perched
D. Un-confined
To avoid scouring from end of structure, it is necessary to provide a ________________ at the exit point?
A. Vertical cutoff
B. Stone apron
C. Stone boom
D. Stone blocks
The discharge carrying capacity of an irrigation channel depends upon ____________________?
A. Silt grade, charge and slope
B. Channel dimensions
C. Sediment size
D. Silt amount and bed slope
If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________________?
A. Virgin
B. Tidal
C. Flashy
D. Deltaic
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