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. *Rugosity coefficient for a silt clay a) 0.0225 b) 0.025 c) 0.0275 d) 0.03 2 / 30 2. In an earthen dam, seepage through the embankment is controlled by a) drainage gallery b) drain trenches c) relief walls d) horizontal blanket 3 / 30 3. The kharif crop is sown a) at the end of summer b) at the end of the north-east monsoon c) at the beginning of the south-west monsoon d) in mid-summer 4 / 30 4. *When a canal is carried over a natural drainage, the structure provided is known as a) siphon b) aqueduct c) super passage d) syphon aqueduct 5 / 30 5. The top of the capillary zone a) lies below the water table at every point b) lies above the water table at every point c) coincides with the water table at every point d) none of the above 6 / 30 6. The water-bearing stratum that creates a groundwater reservoir and feeds wells and springs is called a) underground spillway b) aquifer c) equalize d) none of the above 7 / 30 7. 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 8 / 30 8. The overflow of a spillway in the shape of a double or s-curve, which is convex at the top and concave at the bottom, is called a) ogee spillway b) s-spillway c) oval spillway d) zig-zag spillway 9 / 30 9. The silting in a channel occurs due to a) defective outlet b) defective head regulator c) channel not in regime d) all of the above 10 / 30 10. Bed bars provided in a canal are made of a) cement concrete b) brick masonry c) iron rod d) both (a) and (b) above 11 / 30 11. The operation during the infiltration of water below the ground surface is a) adsorption b) absorption c) ozonization d) sedimentation 12 / 30 12. A canal, constructed by the side of and generally parallel to the parent canal with a different bed slope is called a) parallel canal b) ditch canal c) drain canal d) side canal 13 / 30 13. The methods used for drilling a tube well in compacted rock materials is a) wash boring b) percussion method c) hydraulic rotary d) all of the above 14 / 30 14. *Pick up the correct sequence of the parts of a canal system a) head works - distributary - branch canal - minor b) head works - main canal - branch canal - minor - distributary c) head works - main canal - branch canal - distributary - minor d) head works - branch canal - main canal - distributary 15 / 30 15. 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 16 / 30 16. For an earthen dam, least suited spillway is: a) ogee spillway b) chute spillway c) shaft spillway d) none of the above 17 / 30 17. According to Khosla's theory, the exit gradient in the absence of a downstream cutoff is a) zero b) unity c) infinity d) none of the above 18 / 30 18. 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 19 / 30 19. Find the delta for a crop if the base period and duty are 110 days and 1400 he/cumec respectively. a) 38 cm b) 48 cm c) 58 cm d) 68 cm 20 / 30 20. *In a barrage, the crest level is kept a) low with large gates b) high with large gates c) high with small gates d) low with small gates 21 / 30 21. 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 22 / 30 22. Tortuosity of a meandering river is always a) more than one b) equal to one c) less than one d) none of the above 23 / 30 23. *The structure provided where natural drainage and canal meet at the same level is a) aqueduct b) siphon c) super passage d) level crossing 24 / 30 24. A land is called waterlogged a) when the permanent wilting point is reached b) when gravity drainage has ceased c) capillary fringe reaches the root zone of plants d) all of the above 25 / 30 25. *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 26 / 30 26. *According to Manning's formula, the velocity is inversely proportional to a) rugosity coefficient b) HMD c) gradient d) all of the above 27 / 30 27. *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 28 / 30 28. Lands or climate that lack sufficient water for agriculture without artificial irrigation are called a) dry zone b) arid zone c) semi-arid zone d) hybrid arid zone 29 / 30 29. The sudden and turbulent passage of water from a low level critical depth to high level above critical depth, during which the velocity passes from supercritical to subcritical, is known as a) jump b) hydraulic jump c) sudden fall d) all of the above 30 / 30 30. The angle between the head regulator and the water, for smooth entry of water into a canal, is generally kept at a) 60° b) 90° c) 100° d) 110° Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Irrigation Engineering MCQ PDF for Offline Study Share the above MCQs: Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Reddit (Opens in new window) Reddit
