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Irrigation Engineering

Irrigation Engineering
The optimum depth of kor watering for a rice crop, is

23.0 cm
13.5 cm
19.0 cm
17.5 cm

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Irrigation Engineering
Main purpose of mean water training for rivers is

Flood control
All of these
To preserve the channel in good shape by efficient disposal of suspended and bed load
To provide sufficient depth of water in navigable channels, during low water periods

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Irrigation Engineering
For a unique design of a channel by Kennedy's theory

Its breadth must only be known
All of these
Its breadth and depth ratio must only be known
Its depth must only be known

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Irrigation Engineering
If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

PL/1000C
PC/100L
PLC/1000
100 PLC

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Irrigation Engineering
The maximum permissible eccentricity for no tension at the base of a gravity dam is

B/3
B/6
B/2
B/4

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Irrigation Engineering
Trap efficiency of a reservoir is a function of

None of these
capacity/outflow ratio
outflow/inflow ratio
capacity/inflow ratio

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