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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
gross speed
rated speed

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Irrigation Engineering
To determine the discharge at a section in a stream from its rating curve, the required data are
i) slope of water surface at the section
ii) stage at the section
iii) current meter readings at the section
The correct answer is

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

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Irrigation Engineering
Hydrodynamic pressure due to earthquake acts at a height of

3H/4π above the base
4H/3π above the base
3H/4π below the water surface
4H/3π below the water surface, where H is the depth of water

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Irrigation Engineering
Unit of runoff in M.K.S. system is

metre/sec
cubic metre
square metre
cubic metre/sec

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Irrigation Engineering
The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

direct runoff volume
None of these
total rainfall
period of storm

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Irrigation Engineering
Which of the following types of falls use parabolic glacis for energy dissipation ?

glacis fall
vertical drop fall
inglis fall
Montague type fall

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