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Irrigation Engineering

Irrigation Engineering
A runoff river plant is

a high head scheme
None of these
a low head scheme
a medium head scheme

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Irrigation Engineering
The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by

7RS
11RS
15 RS
4RS

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Irrigation Engineering
Side slopes generally kept for canals in loam soil, are:

1 : 1 in cutting and 1½ : 1 in filling
Neither (A) nor (B)
Both (A) and (B)
1½ : 1 in cutting and 2 : 1 in filling

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Irrigation Engineering
The main cause of meandering is

degradation
None of these
the extra turbulence generated by the excess of river sediment during floods
presence of an excessive bed slope in the river

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Irrigation Engineering
The Lacey's regime velocity is proportional to

R1/2 S3/4
Q3/4 S1/3
R2/3 S1/2
R3/4 S1/3

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Irrigation Engineering
The main function of a diversion head works of a canal from a river, is

To store water
To remove silt
To raise water level
To control floods

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