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Irrigation Engineering

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

gross speed
design speed
operating speed
rated speed

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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
A river training work is generally required when the river is

Degrading
Aggrading
All of these
Meandering

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Irrigation Engineering
Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?

ultra-sonic method
moving boat method
area-velocity method
slope-area method

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Irrigation Engineering
The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called

proportionality
flexibility
sensitivity
setting

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Irrigation Engineering
The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called

consumptive use
effective rainfall
consumptive irrigation requirement
net irrigation requirement

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