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. The primary cause of meandering is a) excess of total charge during flood b) minimum of total charge during flood c) average of total charge during flood d) none of the above 2 / 30 2. *The hydraulic jump is the example of a) gradually varied flow b) rapidly varied flow c) spatially varied flow d) none of the above 3 / 30 3. In an ion exchange process when ions are transported from water to solid, ion-exchange media is fixed or fluidized bed, the process is termed as a) flocculation b) demineralization c) ion-exchange d) deionization 4 / 30 4. *Weed growth in a canal leads to a) an increase in discharge b) a decrease in silting c) a decrease in discharge d) an increase in the velocity of flow 5 / 30 5. 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 6 / 30 6. The forces considered for the analysis of an elementary profile of a gravity dam under an empty reservoir condition are a) uplift pressure b) water pressure c) self-weight d) earthquake pressure 7 / 30 7. In a gravity dam, the main overturning force is a) self-weight of the dam b) wind pressure c) water pressure d) uplift pressure 8 / 30 8. The type of fall suitable for any discharge is a) vertical type b) straight glacis fall with baffle wall c) straight glacis fall without a baffle wall d) all of the above 9 / 30 9. In an earthen dam, seepage through the foundation is controlled by providing a) impervious cut off b) none of the above c) chimney drain d) horizontal blanket 10 / 30 10. The fall, with the crest usually at or near the bed level, without a glacis, is called a) rapid fall b) notch fall c) natural fall d) regulated fall 11 / 30 11. 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 12 / 30 12. 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 13 / 30 13. The minimum size of the stone that will remain at rest in a channel of longitudinal slope, S, and hydraulic mean depth, R, is given by a) 4 RS b) 7 RS c) 11 RS d) 14 RS 14 / 30 14. *The major resisting force in a gravity dam is a) uplift pressure b) water pressure c) self-weight d) wave pressure 15 / 30 15. Waterlogging of fields can be reduced by a) providing canal lining b) providing intercepting drains c) controlling intensity of irrigation d) all of the above 16 / 30 16. Pitot tube is used to measure a) area b) velocity c) discharge d) none of the above 17 / 30 17. 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 18 / 30 18. Crop water is proportional to a) evapo-transpiration b) effective rainfall c) seepage of water d) all of the above 19 / 30 19. Vertical acceleration due to an earthquake results in a) an increase in the effective weight of the dam b) a decrease in the effective weight of the dam c) both (a) and (b) of above d) none of the above 20 / 30 20. If the RLs of canal bed level and HFL of drainage are 202.0 m and 200.0 m respectively, then the cross drainage work will be a) an aqueduct b) siphon c) syphon aqueduct d) super passage 21 / 30 21. 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 22 / 30 22. On a suitable foundation, the earthen dam can be constructed up to a height of a) 50 m b) 100 m c) 150 m d) 200 m 23 / 30 23. *Meandering of rivers is caused by a) excessive discharge during the floods, when turbulence is developed b) increase in width c) heavy deposition d) all of the above 24 / 30 24. *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 25 / 30 25. *The amount of water required to fill up the pore spaces in soil particles by replacing all air held in pore spaces is known as a) filled capacity b) available moisture c) saturation capacity d) all of the above 26 / 30 26. According to Lacey's theory, the depth of scour in the case of a right-angle bend is a) 1.414D b) 1.667D c) 2D d) 2.5D 27 / 30 27. For any crop, the base period is measured in a) days b) weeks c) months d) years 28 / 30 28. 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 29 / 30 29. Silt is a a) fertilizing agent b) non-fertilizing agent c) type of crop d) type of rock 30 / 30 30. *A divide wall is provided to a) control the silt entering the canal b) separate the under sluices from the weir proper c) prevent river flood entering the canal d) all of the above Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number 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