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. Hydrodynamic pressure due to an earthquake acts at a height of a) 3H / 4π above the base b) 4H / 3π above the base c) 4H / 3π below the water surface d) 3H / 4π below the water surface 2 / 30 2. A multipurpose reservoir is a) planned and constructed to serve various purposes b) designed for one purpose but serves more purposes c) both (a) and (b) d) none of the above 3 / 30 3. The number of dams in Bandhra irrigation may be a) equal to b) between 1 and 3 c) greater than 2 d) any of the above 4 / 30 4. A rectangular channel is said to be wide if a) width is five times the depth of flow b) width is five times the depth of flow c) width is more than ten times the depth of the flow d) none of the above 5 / 30 5. The disadvantage of water logging of fields is a) plant diseases b) growth of water weeds c) rise of salt in the surface layer d) all of the above 6 / 30 6. The fall using a parabolic glacis for energy dissipation is a) vertical drop fall b) glacis fall c) inglis fall d) montague fall 7 / 30 7. *Groynes are generally provided a) attractive b) deflective c) repelling d) all of the above 8 / 30 8. The weir is generally aligned at a right angle to the direction of the main river flow because a) it gives better discharge capacity b) less length of weir is required c) it is economical d) all of the above 9 / 30 9. *The operation, which washes out salts from the upper zone of the soil, is called a) reclamation b) leaching c) efflorescence d) salinity 10 / 30 10. In a reservoir, which type of storage is normally used? a) useful storage b) surcharge storage c) bank storage d) dead storage 11 / 30 11. 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 12 / 30 12. Top of the weir is, a) ridgecrest b) crest c) head d) peak 13 / 30 13. A spoil bank is formed when a) the canal has a steep bed slope b) the volume of excavation is in excess of the embankment filling c) the canal section is too large d) the canal alignment is meandrous 14 / 30 14. In rice, the depth of the root zone is generally, a) 30 cm b) 60 cm c) 90 cm d) 120 cm 15 / 30 15. *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 16 / 30 16. *The elementary profile of a dam is a) a trapezoidal b) a right-angled triangle c) rectangular d) none of the above 17 / 30 17. Siltation of a reservoir can be reduced by a) land management b) providing sluice gates at different levels c) providing gully plugging check dams and contour bunds in the catchment area d) all of the above 18 / 30 18. The "outlet discharge factor" is the duty at the head of a) main canal b) branch canal c) watercourse d) distributory 19 / 30 19. An impervious wall inside an earthen dam to reduce seepage is known as a) core wall b) diaphragm wall c) pug wall d) all of the above 20 / 30 20. In waterlogged lands a) the soil pores are within a depth of 1 meter b) the soil pores are saturated up to the root zone of the crop c) the soil pores are saturated up to the depth of 40cm d) the soil pores are saturated up to the top 21 / 30 21. 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 22 / 30 22. 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 23 / 30 23. The numerical value of the base period is a) less than the crop period b) more than the crop period c) equal to the crop period d) all 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. *Fall is provided in the canal of a) ridge b) valley c) contour d) inundation 26 / 30 26. Canals taken off from ice-fed perennial rivers are known as a) permanent canal b) perennial canal c) continuous canal d) green canal 27 / 30 27. *Single bank canal is the other name for a) ridge canal b) contour canal c) side slope canal d) none of the above 28 / 30 28. *Site of the head works is good when a) it is situated on a river bend b) it is close to the irrigated area c) good foundation is available for the structure d) both B and C above 29 / 30 29. The relation between duty (D) in hectares/cumec depth of water in meters and base period (B) in days is given by a) Δ = 8.64 B / D b) Δ = 8.64 D / B c) Δ = 8.64 B d) none of the above 30 / 30 30. *Weir method is used to measure a) area b) velocity c) discharge 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. 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