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. *Drain over the irrigation canal is achieved by providing a) a siphon b) super passage c) an aqueduct d) both (a) and (b) above 2 / 30 2. 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 3 / 30 3. *The elementary profile of a dam is a) a trapezoidal b) a right-angled triangle c) rectangular d) none of the above 4 / 30 4. A counterbalance is a) a horizontal benching provided on the outer slope b) a vertical benching provided on the outer edge of the bank c) a horizontal benching provided on the inside slope d) a vertical benching provided on the inner edge of the bank 5 / 30 5. The canal head regulator is provided at the head of the offtaking canal to a) regulate the supply of water in the canal b) control the entry of silt into the canal c) prevent the river floods entering into the canal d) all of the above 6 / 30 6. *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 7 / 30 7. As compared to a gravity dam, earthen dams a) require a sound rock foundation b) require less skilled labour c) require skilled labour d) require more cost 8 / 30 8. Intensity of irrigation is a) is the percentage of culturable commanded area proposed to be irrigated annually b) is always more than 100% c) is the percentage that could be ideally irrigated d) all of the above 9 / 30 9. A regulator provided with under sluices for the escape of washout of the heavily sand-laden bottom water of a channel is known as a) silt regulator b) silt extractor c) silt ejector d) all of the above 10 / 30 10. 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 11 / 30 11. The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as a) water conveyance efficiency b) water application efficiency c) water use efficiency d) any of the above 12 / 30 12. *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 13 / 30 13. 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 14 / 30 14. Vertical drop fall is satisfactory for a drop up to a) 0.5 m b) 1.0 m c) 1.5 m d) 2.0 m 15 / 30 15. Weirs designed and constructed on Bligh's theory failed due to a) undermining of floors b) undermining of the sub-soil c) undermining of the foundation work d) all of the above 16 / 30 16. Retrogression of the bed level of a river downstream a weir or barrage occurs due to a) heavy impact of water b) less percentage of silt c) increase of the bed level d) soft soil strata 17 / 30 17. *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 18 / 30 18. 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 19 / 30 19. If the electrical conductivity of water is between 750 to 2250 micro mhos/cm at 25°C, then it is classified as a) low salinity water b) high salinity water c) medium salinity water d) none of the above 20 / 30 20. If the top width is provided for the roadway, the resultant force for full reservoir condition will a) shift towards the heel b) shift towards the toe c) remain stationary d) none of the above 21 / 30 21. *Which of the following has the maximum water application efficiency? a) surface irrigation b) lift irrigation c) sprinkler irrigation d) furrow irrigation 22 / 30 22. *Meandering of the river increases the length of the river while cut-off a) increase in the width of the river b) decrease the length of the river c) increase the length of the river d) decrease the width of the river 23 / 30 23. *A deep well a) is always deeper than a shallow well b) has more discharge than a shallow well c) is structurally weaker than a shallow well d) both A and B above 24 / 30 24. The formula V=0.55 mD0.64 is given by a) Lacey b) Kennedy c) Chazy d) none of the above 25 / 30 25. According to Khosla's theory, the undermining of the floor starts from the a) tail end b) starting end c) intermediate point d) foundation bed 26 / 30 26. The necessity of irrigation is required due to a) less rainfall b) non-uniform rainfall c) commercial crops d) all of the above 27 / 30 27. Which of the following crops are in Rabi groups? a) groundnut b) sugar cane c) bajra d) none of the above 28 / 30 28. 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 29 / 30 29. The degree of sinuosity is the ratio between a) meander length and meander width b) meander width and river bed width c) curved length and straight air length d) none of the above 30 / 30 30. The floor of an aqueduct is subjected to uplift pressure due to a) seepage of water from the canal to the drainage b) subsoil water table in the drainage bed 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 Buy Irrigation Engineering MCQ PDF for Offline Study 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)
