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Irrigation

Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

A. canal fall
B. canal outlet
C. canal escape
D. canal regulator

Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ? Read More »

Irrigation, Water Resources Engineering and Hydrology

As per Lacey’s theory, the silt factor is_________________?

As per Lacey’s theory, the silt factor is_________________?

A. directly proportional to average par¬ticle size
B. inversely proportional to average par¬ticle size
C. directly proportional to square root of average particle size
D. not related to average particle size

As per Lacey’s theory, the silt factor is_________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________?

The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________?

A. less than 1
B. equal to 1
C. greater than 1
D. equal to zero

The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________?

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

As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________? Read More »

Irrigation, Water Resources Engineering and Hydrology

If there are two canals taking off from each flank of a river, then there will be____________________?

If there are two canals taking off from each flank of a river, then there will be____________________?

A. one divide wall and one undersluice
B. one divide wall and two undersluices
C. two divide walls and one undersluice
D. two divide walls and two undersluices

If there are two canals taking off from each flank of a river, then there will be____________________? Read More »

Irrigation, Water Resources Engineering and Hydrology