Irrigation Engineering Online Test - Paper 2

Created by

Vikash chaudhary

This is a FREE online test. Beware of scammers who ask for money to attend this test.

Get fresh, new questions in each attempt.

Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: No
Do not refresh the page!
👍 All the best!

1 / 30

1. *Borrow pits are preferably located in the field

a) on both sides of the canal

b) in the central half section of the canal

c) on the left side of the canal

d) on the right side of the canal

2 / 30

2. The shape of the lined canal recommended by ISI is

a) triangular

b) rectangular

c) parabolic

d) trapezoidal

3 / 30

3. *Which is the best hydraulic section of the following open channel cross-section?

a) Rectangle

b) Triangle

c) Trapezoidal

d) Semicircle

4 / 30

4. For an earthen dam, least suited spillway is:

a) ogee spillway

b) chute spillway

c) shaft spillway

d) none of the above

5 / 30

5. *The main function of a diversion head works of a canal from a river is to

a) remove silt

b) control floods

c) store water

d) raise water level

6 / 30

6. *Economic height of a dam is

a) very low

b) very high

c) corresponds to the minimum cost of a dam per unit of storage

d) none of the above

7 / 30

7. River on alluvial plains is usually

a) aggrading type

b) degrading type

c) meandering type

d) stable type

8 / 30

8. As compared to the crest of the normal portion of the weir, the crest of the undersluice portion of the weir is kept at

a) higher level

b) same level

c) lower level

d) all of the above

9 / 30

9. *Surface float method is used for the velocity measurement while the current meter is used for the measurement of

a) discharge

b) velocity

c) depth

d) amount of silt

10 / 30

10. A groyne with a curved head is known as

a) Burma groyne

b) Dehny groyne

c) Hockey groyne

d) Meandering groyne

11 / 30

11. *Fall is provided in the canal of

a) ridge

b) valley

c) contour

d) inundation

12 / 30

12. *The discharge through a trapezoidal channel is maximum when

a) half of the top width = sloping side

b) top width = half of sloping side

c) top width = sloping side

d) top width = 1.5x sloping side

13 / 30

13. The water face of the guide banks is protected by

a) one layer stone pitching

b) two-layer stone pitching

c) three-layer stone pitching

d) four-layer stone pitching

14 / 30

14. The portion of the reservoir normally not utilized is:

a) dead storage

b) useful storage

c) bank storage

d) valley storage

15 / 30

15. A most economical section is one for which a given cross-sectional area, slope of bed, and coefficient of resistance has

a) maximum wetted perimeter

b) maximum discharge

c) maximum depth of flow

d) minimum depth of flow

16 / 30

16. In a gravity weir, the uplift pressure is resisted by

a) weight of floor

b) bending action of reinforced concrete floor

c) punching action of the floor

d) none of the above

17 / 30

17. The necessity of irrigation is required due to

a) less rainfall

b) non-uniform rainfall

c) commercial crops

d) all of the above

18 / 30

18. Find the culturable command area from the following data. GCA = 400 Ha, wheat = 200 Ha, maize = 50 Ha, paddy = 100 Ha, barren land = 50 Ha

a) 200 Ha

b) 150 Ha

c) 50 Ha

d) 350 Ha

19 / 30

19. *Mean velocity of the canal should never be

a) less than the critical velocity

b) more than the critical velocity

c) equal to the critical velocity

d) none of the above

20 / 30

20. SHAFT spillway is the same as

a) conduit spillway

b) tunnel spillway

c) morning glory spillway

d) trough spillway

21 / 30

21. A minimum of 90 cm freeboard is provided if the discharge in the canal is

a) between 10 and 30 cumecs

b) between 30 and 60 cumecs

c) over 60 cumecs

d) over 100 cumecs

22 / 30

22. *For no tension to develop at the base of a gravity dam, the maximum permissible eccentricity is

a) B/6

b) B/3

c) B/2

d) all of the above

23 / 30

23. The average delta of a rice crop is nearly

a) 30 cm

b) 60 cm

c) 120 cm

d) 150 cm

24 / 30

24. The velocity at which eddies in the flow die out is called

a) critical velocity

b) lower critical velocity

c) higher critical velocity

d) none of the above

25 / 30

25. Boulder lining is useful where

a) the groundwater level is above the bed of the canal

b) prevention of erosion is required

c) both (a) and (b) above

d) none of the above

26 / 30

26. In an ion exchange process when ions are transported from water to solid, ion-exchange media is fixed or fluidized bed, the process is termed as

a) flocculation

b) demineralization

c) ion-exchange

d) deionization

27 / 30

27. If the demand line drawn from a ridge in a flow-mass curve does not intersect the curve again, it shows

a) demand cannot be met by inflow

b) reservoir was not full at the beginning

c) both (a) and (b)

d) none of the above

28 / 30

28. For irrigation purposes, the pH value of water should be

a) between 3 and 6

b) between 6 and 8.5

c) between 8.5 and 11

d) more than 11

29 / 30

29. *Groynes are generally provided

a) attractive

b) deflective

c) repelling

d) all of the above

30 / 30

30. *When the bed level of the canal is higher than the HFL of the drainage, then the cross drainage work is known as

a) an aqueduct

b) syphon aqueduct

c) canal syphon

d) super passage

Please provide accurate information so we can send your Achievement Certificate by mail.

NameEmailPhone Number

Your score is

Please provide your feedback.

Thank you for your valuable feedback.

Buy Irrigation Engineering MCQ PDF for Offline Study

Irrigation Engineering Online Test – Paper 2

Please provide accurate information so we can send your Achievement Certificate by mail.

Related MCQs