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Civil Engineering - Irrigation

Exercise : Irrigation - Section 1
11.
According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
rate of flood wave
water surface elevation during floods
maximum discharge
velocity and scouring action
surface slope of streams above the leveed portion.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In a canal syphon, the flow is
under atmospheric pressure
pipe flow
with critical velocity
under negative pressure.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
A water-logged land is found suitable for cultivation due to
ease of tillage for preparation of the field for optimum condition of germination
absence of aeration of soil from root zone of the plant
regular supply of water to plants from the water table by capillary action
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
When a canal and a drainage approach each other at the same level, the structure so provided, is
an aqueduct
a syphon
a level crossing
inlet and outlet.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
For smooth entry of water in a canal, the angle between head regulator and water is generally kept
80°
90°
110°
120°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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