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Irrigation Engineering

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

19m
38m
91m
15m

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Irrigation Engineering
Variability of rainfall is
i) largest in regions of high rainfall
ii) largest in coastal areas
iii) largest in regions of scanty rainfall
The correct answer is

(ii) and (iii)
only (i)
(i) and (ii)
only (iii)

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Irrigation Engineering
In a canal syphon, the flow is

With critical velocity
Pipe flow
Under negative pressure
Under atmospheric pressure

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Irrigation Engineering
The "outlet discharge factor" is the duty at the head of

main canal
distributory
branch canal
watercourse

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Irrigation Engineering
A current meter is used to measure the

discharge
velocity of flow of water
None of these
depth of flow of water

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Irrigation Engineering
If the optimum depth of kor watering for a crop is 15.12 cm, the outlet factor for the crop for four week period in hectares per cumec, is

1600
1400
1700
1500

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