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Irrigation Engineering

Irrigation Engineering
Which of the following is a flexible outlet ?

Kennedy’s gauge outlet
Gibb’s outlet
submerged pipe outlet
None of these

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Irrigation Engineering
According to Bligh's creep theory, percolating water flows along

None of these
Circular path under the foundation of the dam
The outline of the base of the foundation of the dam
Straight path under the foundation of the dam

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Irrigation Engineering
Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as

very high sodium water
low sodium water
high sodium water
medium sodium water

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Irrigation Engineering
If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is

(D₂ - D₁)3/4D₁D₂
(D₂ - D₁)3/D₁D₂
(D₂ - D₁)3/3D₁D₂
(D₂ - D₁)3/2D₁D₂

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Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

average of hydrostatic pressure at toe and heel
None of these
two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
hydrostatic pressure at toe

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Irrigation Engineering
The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD) curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be

less than 100 mm
None of these
more than 100 mm
100 mm

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