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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
rated speed
gross speed

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Irrigation Engineering
In case of non-availability of space due to topography, the most suitable spillway is

straight drop spillway
chute spillway
ogee spillway
shaft spillway

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Irrigation Engineering
A current meter is used to measure the

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

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

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

metre/sec
square metre
cubic metre/sec
cubic metre

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Irrigation Engineering
If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is

Δ = (8.6 B/D)
D = (8.6 Δ/B)
B = Δ (8.64 B/D)
D = Δ (8.64 D/B)

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