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Irrigation Engineering

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

design speed
rated speed
operating speed
gross speed

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Irrigation Engineering
In a canal syphon, the flow is

Pipe flow
Under negative pressure
With critical velocity
Under atmospheric pressure

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Irrigation Engineering
Retrogression of the bed level of a river downstream a weir, occurs due to

Less percentage of silt
Soft soil strata
Heavy impact of water
Increase of the bed level

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Irrigation Engineering
Study the following statements.
i) Levees are constructed parallel to river flow,
ii) Spurs are constructed parallel to river flow,
iii) Levees are constructed transverse to river flow,
iv) Spurs are constructed transverse to river flow.
The correct answer is

(ii) and (iii)
(iii) and (iv)
(i) and (iv)
(i) and (ii)

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Irrigation Engineering
For the upstream face of an earthen dam, the most adverse condition for stability of slope is

sudden drawdown
during construction
steady seepage
sloughing of slope

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Irrigation Engineering
In North Indian Plains, optimum depth of kor watering for wheat, is

23.0 cm
17.5 cm
19.0 cm
13.5 cm

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