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Irrigation Engineering

Irrigation Engineering
The depth of rice root zone, is

60 cm
80 cm
90 cm
50 cm

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Irrigation Engineering
The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be

20 m3/sec
30 m3/sec
35 m3/sec
25 m3/sec

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Irrigation Engineering
A straight glacis type fall with a baffle platform and a baffle wall is called

Montague type fall
Vertical drop-fall
Inglis fall
Glacis fall

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Irrigation Engineering
Fundamental momentum equation for a hydraulic jump, is

D₁² - D₂² = (2q/g) × (V₁ - V₂)
D₂² - D₁² = (2q/g) × (V - V₂)
D₁² - D₂² = (2q/g) × (V₂ - V₁)
D₁² + D₂² = (2q/g) × (V₂ - V₁)

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Irrigation Engineering
The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to

Load factor
Utilization factor
Both load and plant factor
Plant factor

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

glacis fall
Montague type fall
vertical drop fall
inglis fall

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