Well Irrigation – MCQ
1. When water is obtained from the well for irrigation is known as
a) Drip irrigation.
b) Well irrigation.
c) Sprinkler irrigation.
d) Flow Irrigation.
View Answer
b) Well irrigation.
2. Open wells are wells having diameters varying from
a) 0.5 to 1 m.
b) 2 to 7 m.
c) 8 to 14 m.
d) 15 to 19 m.
View Answer
b) 2 to 7 m.
3. The well which draws water from the unconfined aquifer is known as
a) Deep well.
b) Shallow well.
c) Both.
d) None.
View Answer
b) Shallow well.
4. The well which draws water from the ____ aquifer is known as deep well
a) Surface.
b) Confined.
c) Unconfined.
d) None.
View Answer
b) Confined.
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.
View Answer
a) Shrouding.
To increase the capacity of the well shrouding of the well should be done
6. The deposition of calcium carbonate and magnesium carbonate inside the tube well is known as
a) Incrustation.
b) Inspection.
c) Shrouding.
d) None.
View Answer
a) Incrustation.
7. The shrouding is done for ____ type of tube well
View Answer
Slotted.
The shrouding is done for slotted type of tube well.
Read More: Failure of Tube Well
8. Recuperation test is adopted to determine the _____ of open well.
View Answer
Yield.
Recuperation test is adopted to determine the yield of open well.
9. Which of the following steps should be taken to reduce the corrosion effect of the tube well
a) Thick pipe should be used.
b) Galvanised pipe should be used.
c) From time to time, washing of the tube well should be done.
d) All of these.
View Answer
d) All of these.
10. Shrouding is done
a) To prevent choking 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.
View Answer
d) All of these.
11. Which test is used to measure the specific capacity of well?
View Answer
Step-drawdown test.
Step-drawdown test is used to measure the specific capacity of well.
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