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 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. The name of the structure that destroys the energy is called a) stilling basin b) reservoir c) head regulator d) all of the above 2 / 30 2. 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 3 / 30 3. The overflow portion of dam, over which surplus discharge flows from the reservoir to the downstream is known as: a) spillway b) dam c) groyne d) channel 4 / 30 4. Water found on the surface of the soil, which is not capable of movement either by gravity or capillary and can only be driven off by heat, is called a) water vapour b) moisture c) hygroscopic water d) none of the above 5 / 30 5. If the RLs of canal bed level and high flood level of drainage are 210.0 m and 212.0 m respectively, then the cross drainage work will be a) aqueduct b) super passage c) syphon aqueduct d) none of the above 6 / 30 6. The uplift pressure acting on a dam is controlled by a) pressure grouting in the foundation b) constructing drainage channels between the dam and its foundation c) constructing a cutoff under the upstream face d) all of the above 7 / 30 7. The operation during the infiltration of water below the ground surface is a) adsorption b) absorption c) ozonization d) sedimentation 8 / 30 8. According to Lacey's theory, the silt supporting eddies are generated from a) the bottom of the channel b) the side of the channel c) both (a) and (b) above d) none of the above 9 / 30 9. The necessity of irrigation is required due to a) less rainfall b) non-uniform rainfall c) commercial crops d) all of the above 10 / 30 10. 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 11 / 30 11. A weir in which the tail water stays below the crest is called a) free weir b) natural weir c) ground weir d) all of the above 12 / 30 12. *In a concrete-lined canal, the permissible velocity of water is a) 1 m/sec b) 2 m/sec c) 3 m/sec d) 4 m/sec 13 / 30 13. *The process by which unculturable soil made culturable is known as a) reclamation b) leaching c) efflorescence d) salinity 14 / 30 14. For a proportional outlet, the flexibility is a) zero b) one c) between zero and one d) more than one 15 / 30 15. *Lime concrete lining is used a) when the velocity of flow is below 2 m/sec b) in irrigation channels with capacities up to 200 cumecs c) where economy is required d) all of the above 16 / 30 16. The supply passing down the parent channel is controlled by a) head regulator b) cross regulator c) distributary head regulator d) all of the above 17 / 30 17. Obstruction placed on the downstream floor of a fall to dissipate the velocity of the flowing water and maintain the standing wave on the glacis is known as a) energy block b) friction block c) rough block d) waste block 18 / 30 18. *When the water table is within the root zone depth and is detrimental to plant life, the land is said to be a) over nourished b) super-saturated c) waterlogged d) undernourished 19 / 30 19. *The phenomenon of salts coming up in solution and forming a layer of crust on the surface after the evaporation of water is known as a) reclamation b) leaching c) efflorescence d) salinity 20 / 30 20. *Bell bunds are a) guide bands for training a river at the site of a bridge or weir b) barriers made of timber, filled with stone or other suitable material c) fixed distances over which surface floats are lined d) none of the above 21 / 30 21. The fall is designed and constructed to satisfy the condition that a) the velocity of approach should be minimum b) it should be able to admit variations of water levels in the canal c) bed, bank, and downstream position should be safe against erosion due to the excess energy of flow d) all of the above 22 / 30 22. *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 23 / 30 23. The method of irrigation, in which land surrounded by natural or artificial banks is flooded, is known as a) broad irrigation b) natural irrigation c) basin irrigation d) none of the above 24 / 30 24. *Available moisture may be defined as the a) moisture content at permanent wilting point b) difference in water content of the soil between field capacity and permanent wilting point c) maximum moisture-holding capacity d) all of the above 25 / 30 25. The flow-mass curve is a graphical representation of a) cumulative discharge and time b) cumulative discharge volume and time in chronological order c) discharge and time d) none of the above 26 / 30 26. The most suitable section of a lined canal is a) triangular section with a circular bottom for small canals b) trapezoidal section with rounded corners for large canals c) both (a) and (b) above d) none of the above 27 / 30 27. In rice, the depth of the root zone is generally, a) 30 cm b) 60 cm c) 90 cm d) 120 cm 28 / 30 28. *The total depth of water required by a crop during the entire period the crop is in the field is known as a) Crop ratio b) Crop intensity c) Delta d) Duty 29 / 30 29. *Critical depth is a) the depth corresponding to critical velocity b) the maximum permissible depth of a channel c) the depth corresponding to critical flow d) any of the above 30 / 30 30. According to Kennedy's theory, the silt supporting eddies are generated due to a) roughness of the bed b) roughness of the sides c) both (a) and (b) above d) none of the above Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
