Well Irrigation – MCQ || Irrigation Engineering ||

Well Irrigation – MCQ

1. When water obtained from well for irrigation is known as

a) Drip irrigation.
b) Well irrigation.
c) Sprinkler irrigation.
d) Flow Irrigation.

2. Open wells are the wells having diameter varying from

a) 0.5 to 1 m.
b) 2 to 7 m.
c) 8 to 14 m.
d) 15 to 19 m.

3. The well which draws water from the unconfined aquifer is known as

a) Deep well.
b) Shallow well.
c) Both.
d) None.

4. The well which draws water from the ____ aquifer is known as deep well

a) Surface.
b) Confined.
c) Unconfined.
d) None.

5. To increase the specific capacity of the well ____ of the well should be done.

a) Shrouding.
b) Incrustation.
c) Splitting.
d) All of these.

6. The deposition of calcium carbonate and magnesium carbonate inside the tube well is known as

a) Incrustation.
b) Inspection.
c) Shrouding.
d) None.

7. The shrouding is done for ____ type of tube well

Read More: Failure of Tube Well

8. Recuperation test is adopted to determine the _____ of open well.

9. Which of the following steps should be taken to reduce the corrosion effect of the tube well

a) Thich pipe should be used.
b) Galvanised pipe should be used.
c) Time to time, washing of the tube well should be done.
d) All of these.

10. Shrouding is done

a) To prevent chocking of the strainer
b) To increase the effective diameter of the well
c) To protect the pipe from the corrosive effect of the surrounding soil.
d) All of these.

11. Which test is used to measure the specific capacity of well?

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