21. |
What is the name given to the junction of two streams?
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Answer:
Option (a) |
22. |
What is the name given to the junction of two streams?
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Answer:
Option (a) |
23. |
A canal aligned on the watershed saves the cost of constructed cross drainage works.
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Answer:
Option (a) |
24. |
Which type of canal is most useful in hilly areas?
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Answer:
Option (b) |
25. |
Contour canal can irrigate only on one side of the canal.
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Answer:
Option (a) |
26. |
What type of canal necessitates construction of cross drainage works more than any other types?
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Answer:
Option (b) |
27. |
What type of canal alignment does the diagram represent?
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Answer:
Option (c) |
28. |
Which type of alignment does the given figure represent?
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Answer:
Option (b) |
29. |
Which type of canal is the farmer’s responsibility?
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Answer:
Option (d) |
30. |
Which type of canal need syphons?
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Answer:
Option (c) |