Civil Engineering - Irrigation
Exercise :: Irrigation - Section 3
| 26. |
The field capacity of a soil depends upon |
| A. |
capillary tension in soil | | B. |
porosity of soil | | C. |
both (a) and (b) | | D. |
neither (a) nor (b). |
Answer: Option C
Explanation:
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| 27. |
Finally formed berms in canals are provided for |
| A. |
protection of banks erosion by the waves | | B. |
control of seepage losses | | C. |
strengthening of banks | | D. |
all the above. |
Answer: Option D
Explanation:
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| 28. |
An outlet is said to be proportional if its flexibility, is |
| A. |
zero | | B. |
less than one | | C. |
more than one | | D. |
one |
Answer: Option D
Explanation:
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| 29. |
The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is |
Answer: Option A
Explanation:
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| 30. |
For standing crops in undulating sandy fields, the best method of irrigation, is |
| A. |
sprinkler irrigation | | B. |
free flooding | | C. |
check method | | D. |
furrow method | | E. |
none of these. |
Answer: Option A
Explanation:
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