Irrigation Engineering
Lacey's equation for calculating flood discharge in rivers, is

V = 10.8 R1/2 S1/2
V = 10.8 R2/3 S1/3
V = 10.8 R2/3 S1/2
V = 10.8 R1/3 S2/3

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Irrigation Engineering
Pick up the correct statement from the following and answer

In a level crossing, a crest with its top at the canal F.S.L. is provided across the drainage at its up-stream junction with canal
In a level crossing, a cross regulator is provided on the canal below the crossing
All of these
In a level crossing a regulator is provided across the drainage at its down-stream

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Irrigation Engineering
Lacy's regime condition is obtained if

Silt grade in the channel is variable
Channel flows in unlimited, incoherent alluvium of the same character as that transported material
Discharge in the channel is variable
Silt charge in the channel is variable

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Irrigation Engineering
A water-logged land is found suitable for cultivation due to

None of these
Regular supply of water to plants from the water table by capillary action
Ease of tillage for preparation of the field for optimum condition of germination
Absence of aeration of soil from root zone of the plant

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