Home» Online Test » Civil Engineering » Irrigation Engineering Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. 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. *Due to topography, if the space is not available, the most suitable spillway is a) ogee spillway b) chute spillway c) shaft spillway d) straight drop spillway 2 / 30 2. The proportion of silt, water, and the size of silt particles carried depend upon a) slope b) nature of the surface soil c) rainfall in the catchment area d) all of the above 3 / 30 3. *The process by which unculturable soil made culturable is known as a) reclamation b) leaching c) efflorescence d) salinity 4 / 30 4. *After entering the canal, sediments are removed by the a) silt ejector b) silt excluder c) silt regulator d) none of the above 5 / 30 5. *The hydraulic jump is known as a) standing wave b) positive surge c) negative wave d) none of the above 6 / 30 6. The water stored in the reservoir below the minimum pool level is called a) useful storage b) dead storage c) valley storage d) none of the above 7 / 30 7. If there are two canals taking off from each bank of a river, then there will be a) one divide wall and one under sluice b) one divide wall and two under sluice c) two divide walls and one under sluice d) two divide walls and two under sluice 8 / 30 8. *Total losses in the canal are a) 40% of the total discharge b) 10% of the total discharge c) 60% of the total discharge d) equal to seepage losses 9 / 30 9. *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 10 / 30 10. A cross regulator is provided on the main canal at the a) downstream of the offtake b) upstream of the offtake c) both (a) and (b) of the above d) none of the above 11 / 30 11. *Groynes are generally provided a) attractive b) deflective c) repelling d) all of the above 12 / 30 12. The aqueduct or super passage type of cross drainage headworks are used when a) high flood drainage discharge is small b) high flood drainage discharge is large and short-lived c) high flood drainage discharge is large and continues for a long time d) none of the above 13 / 30 13. *Fall is provided in the canal of a) ridge b) valley c) contour d) inundation 14 / 30 14. In an earthen dam, seepage through the embankment is controlled by a) drainage gallery b) drain trenches c) relief walls d) horizontal blanket 15 / 30 15. The proportion of silt per unit volume by weight in water is called a) silt density b) silt charge c) silt factor d) none of the above 16 / 30 16. *A river training work is generally required when the river is a) aggrading type b) degrading type c) meandering type d) stable type 17 / 30 17. Tortuosity of a meandering river is the ratio of a) meander length and meander belt b) curved length along the channel to the direct axial length of the river reach c) direct axial length of the river reach to the curved length of the channel d) meander belt to meander length 18 / 30 18. The types of reservoirs in which water control devices are not provided are known as: a) retarding reservoir b) detention reservoir c) both (a) and (b) d) none of the above 19 / 30 19. The uplift pressure on the face of a drainage gallery in a dam is equal to a) hydrostatic pressure at toe b) hydrostatic pressure at heel c) two-thirds of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel d) none of the above 20 / 30 20. For standing crops in undulating sandy fields, the best method of irrigation is a) free flooding b) check flooding c) sprinkler irrigation d) furrow method 21 / 30 21. 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 22 / 30 22. The kor depth for rice is 19 cm, and the kor period is 14 days. The outlet factor for this will be a) 473 hectares/m³/sec b) 637 hectares/m³/sec c) 837 hectares/m³/sec d) none of the above 23 / 30 23. Horizontal acceleration due to an earthquake results in a) hydrodynamic pressure b) inertia force into the body of the dam c) both (a) and (b) of above d) none of the above 24 / 30 24. Roughness of the bed and sides of a channel can be reduced by a) removing sandbars b) removing fallen trees and other snags c) preventing cropping on the river bed near banks d) all of the above 25 / 30 25. 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 26 / 30 26. The bed of a canal is lowered in the case of a) level crossing b) canal siphon c) siphon aqueduct d) none of the above 27 / 30 27. 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 28 / 30 28. As the coefficient of friction increases, the velocity of water in a canal a) increases b) decreases c) remains constant d) none of the above 29 / 30 29. *A protective and training bank, constructed at the site of a bridge or weir to guide the river through the waterway provided in the structure, is called a) guide bank b) safety bank c) earth bank d) none of the above 30 / 30 30. The capacity of a reservoir is 50 million cubic meters, and dead storage is 12 million cubic meters. If the average volume of sediment deposition is 0.1 million cubic meters per year, then the usefulness of the reservoir will start reducing after a) 40 years b) 100 years c) 120 years d) 250 years Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Irrigation Engineering MCQ PDF for Offline Study