Civil Engineering - Irrigation

Exercise : Irrigation - Section 2
31.
In a barrage, the crest level is kept
low with large gates
high with large gates
high with no gates
low with no gates.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
For a standing crop, the consumptive use of water is equal to the depth of water
transpired by the crop
evaporated by the crop
transpired and evaporated by the crop
used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
The state of the soil when plants fail to extract sufficient water for their requirements, is
maximum saturated point
permanent wilting point
ultimate utilisation point
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is
8 cm
10 cm
12 cm
14 cm
16 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Solution of Laplacian equation in three dimensions of water in a syphon, is done by
analytical method
Khosla's method
method of relaxation
Unwin's method.
Answer: Option
Explanation:
No answer description is available. Let's discuss.