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Civil Engineering - Irrigation

Exercise : Irrigation - Section 1
41.
The discharge over a trapezoidal crest of a Sarda fall with free over fall conditions, is
0.45 2g . LH3/2 (H/B)1/3
0.45 2g . LH2/3 (H/B)2/3
0.45 2g . LH3/2 (H/B)1/6
0.45 2g . LH1/6 (H/B)3/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A river training work is generally required when the river is
meandering
aggrading
degrading
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
For loss of head in a canal inverted syphon barrel, the factor in the Unwin formula is a coefficient for loss of head due to
friction
exit
entry
gradient
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Pick up the correct statement from the following:
If the flexibility is more than one, the outlet is hyper-proportional
If the setting of an outlet is higher than that required for proportionality, the outlet is hyper-proportional
If the setting of an outlet is lower than that required for proportionality, the outlet is sub-proportional
If the flexibility is zero, it is a rigid module
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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