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Civil Engineering - Irrigation

Exercise : Irrigation - Section 2
21.
Useful soil moisture for plant growth, is
capillary water
gravity water
hygroscopic water
chemical water
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A hydraulic structure is designed to withstand
seepage forces
hydraulic jump
hydraulic pressure
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In gravity canals, F.S.L. is
always at the ground level
always below the ground level
generally 4 to 5 metres above the ground level
only a few cm above the ground level.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is
x = r1 d1
x = r2 d2
x = d1 / r1
x = d2 / r2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called
syphon
super passage
aqueduct
super-aqueduct
syphon aqueduct.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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