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Irrigation Engineering

Irrigation Engineering
The net speed under which the turbine reaches its peak efficiency is called

design speed
operating speed
rated speed
gross speed

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Irrigation Engineering
Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be

91m
19m
38m
15m

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Irrigation Engineering
The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are

At right angle and parallel to weir crest
At right angle to weir crest in both
Parallel and at right angle to weir crest
Parallel to weir crest in both

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Irrigation Engineering
Which of the following spillways is least suitable for an earthen dam ?

shaft spillway
ogee spillway
chute spillway
side channel spillway

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Irrigation Engineering
The best unit duration of storm for a unit hydrograph is

one-half of basin lag
1 hour
equal to basin lag
one-fourth of basin lag

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Irrigation Engineering
Finally formed berms in canals are provided for

Protection of banks erosion by the waves
Control of seepage losses
Strengthening of banks
All of these

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