Civil Engineering :: Irrigation
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The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept
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The discharge over a trapezoidal crest of a Sarda fall with free over fall conditions, is
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If q is the discharge per unit width of a channel and D1 D2 are the depths of water before and after hydraulic jump, the following relationship is true
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A river training work is generally required when the river is
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For loss of head in a canal inverted syphon barrel, the factor in the Unwin formula h = [ 1+f1+f2 \( \frac { 1 } { R } \)]\( \frac { V^2 } { 2g } \)-\( \frac { Va^2 } { 2g } \) is a coefficient for loss of head due to
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Pick up the correct statement from the following:
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Pick up the correct statement from the following:
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Water-shed line is abondened for aligning an irrigation canal if
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Pick up the incorrect statement from the following
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For a given discharge in a channel, Blench curves give the relationship between the loss of head (HL) and
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A.
If the flexibility is more than one, the outlet is hyper-proportional |
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B.
If the setting of an outlet is higher than that required for proportionality, the outlet is hyper-proportional |
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C.
If the setting of an outlet is lower than that required for proportionality, the outlet is sub-proportional |
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D.
If the flexibility is zero, it is a rigid module |
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E.
All the above. |
A.
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B.
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C.
Duty of canal water at the head of a channel and at the outlet of a distributary, differ considerably due to progressive losses of water |
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D.
Duty of canal water at the outlet of a distributary, is generally known as outlet factor or outlet discharge factor |
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E.
All the above. |