1. Which of the following methods of applying water may be used on rolling land ? check flooding boarder flooding furrow flooding free flooding 2. Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as low sodium water very high sodium water high sodium water medium sodium water 3. In case of syphon aqueduct, the H.F.L. of the drain is in level with the canal bed much higher above the canal bed much below the bottom of the canal trough none of the options 4. Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ? concave water surface independent of shape of water surface flat water surface convex water surface 5. The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called equivalent moisture hygroscopic water soil moisture deficiency pellicular water 6. Lacey assumed that silt is kept in suspension because of the normal components of eddies generated from the side only whole perimeter bed only none of the options 7. The value of Sodium Absorption Ratio for high sodium water lies between 0 to 10 26 to 34 18 to 26 10 to 18 8. In Blighs creep theory the uplife pressure distribution is not linear, but follows a sine curve there is no distinction between horizontal and vertical creep loss of head does not take place in the same proportion as creep length all of the options 9. An outlet in which the discharge depends upon the difference in level between the water levels in distributing channel and the water course, is known as rigid module modular outlet semi-module outlet non-modular outlet 10. Check flooding method of irrigation is used for crops such as sugarcane, potatoes etc. closed growing crops crops which can stand inundation of water for sometime tracts with flat gradients 11. When surface of transpiration is submerged under water, then potential evapotranspiration is much less than evapotranspiration equal to or less than evapotr equal to evapotranspiration much more than evapotranspiration 12. Kennedy gave a relation between velocity and hydraulic mean depth critical velocity and the depth of flowing water area and velocity all of the options 13. The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called net irrigation requirement consumptive irrigation requirement effective rainfall consumptive use 14. Which of the following is a type of non-modular outlet? Open-flume outlet Submerged pipe outlet Kennedys gauge outlet all of the options 15. Optimum depth of kor watering for rice is 165 mm 215 mm 135 mm 190 mm 16. A canal head work in rocky stage of a river is not suitable because a costly head regulator is required more falls are necessary to dissipate the energy more cross drainage works are required all of the options 17. Infiltration capacity changes with both time and location is a constant factor changes with location changes with time 18. The precipitation caused by lifting of warm moisture laden air masses due to topographic barriers, is called cyclonic precipitation orographic precipitation convective precipitation none of the options 19. The runoff increases with increase in permeability of soil increase in infiltration capacity increase in intensity of rain all of the options 20. The river training works are adopted on a river to direct and guide the river flow to pass high flood discharge safely and quickly through the breach to reduce bank erosion to a minimum all of the options 21. Dickens formula for high flood discharge is useful for catchments in Southern India Eastern India Northern India Western India 22. The duty is largest at the head of water course on the field at the head of a main canal same at all places 23. An artesian aquifer is the one where water table serves as upper surface of zone of saturation water surface under the ground is at atmospheric pressure water is under pressure between two impervious strata none of the options 24. A useful soil moisture for plant growth is capillary water gravitational water hygroscopic water all of the options 25. The gap or margin of height, between full supply level (F.S.L.) and top of the bank is called inspection roadway dowel free board berm 26. The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of same and longer duration any duration same duration only same and shorter duration 27. Which of the following is a non-recording raingauge ? Stevens weighing type raingauge tipping bucket type raingauge Simons raingauge floating type raingauge 28. A current meter is used to measure the velocity of flow of water discharge depth of flow of water none of the options 29. The useful storage is the volume of water stored in the reservoir between minimum pool level and normal pool level river bed and minimum pool level normal pool level and maximum pool level minimum pool level and maximum pool level 30. The berms when fully formed provide a scope for future widening the channel protect the bank from erosion because of wave action reduce the absorption losses and prevents leaks all of the options 31. If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be more than infiltration capacity equal to infiltration capacity equal to rate of rainfall more than rate of rainfall 32. For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of rabi or kharif rabi and kharif or sugarcane rabi or kharif or sugarcane rabi and sugarcane or kharif and sugarcane 33. If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be 30 minutes 20 minutes 15 minutes 60 minutes 34. 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 water conveyance efficiency water use efficiency water application efficiency none of the options 35. Cyclonic precipitation is caused by lifting of an air mass due to pressure difference temperature difference natural topographical barriers all of the options 36. The best unit duration of storm for a unit hydrograph is 1 hour one-half of basin lag one-fourth of basin lag equal to basin lag 37. The optimum depth of kot watering is 19 cm for rice wheat cotton sugar-cane 38. The smooth entry, the regulators are aligned at an angle of 80? 60? 110? 130? 39. The function of a scouring sluice is to control the silt entry into the canal to scour the silt deposited in the river bed above the approach channel to pass the low floods without dropping the shutters of the main weir all of the options 40. The "outlet discharge factor" is the duty at the head of main canal distributory branch canal watercourse 41. The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by total rainfall direct runoff volume period of storm none of the options 42. The water utilizable by plants is available in soils mainly in the form of gravity water chemical water hydroscopic water capillary water 43. The basic factor which controls the process of meandering is discharge bed and side resistance valley slope all of the options 44. The amount of precipitation is measured by turbidimeter rain gauge osmoscope all of the options 45. Rivers on alluvial plains may be degrading type aggrading type meandering type all of the options 46. For closed growing crops (such as wheat), the method of irrigation used is basin flooding free flooding border flooding check flooding 47. Liquid precipitation consists of sleet hail rainfall snow 48. The knowledge of hydrology is necessary in civil engineering for flood control works designing and construction of bridges and culverts designing and construction of irrigation structures all of the options 49. Distributary head regulators are provided to control the silt entry in the off-taking canal to stop the supply, when not needed, in the off-taking canal to control the supplies to the off-taking channel all of the options 50. A canal sligned nearly parallel to the contours of a country, is known as water shed canal contour canal side slope canal ridge canal Submit Answers Retake Test More Civil Engineering Study Material › Civil Engineering Mock Tests with AnswersAdvanced Construction and Equipments Mock TestAdvanced Construction Technology Mock TestBasics of Civil Engineering Mock TestBuilding Construction Mock TestBuilding Materials Mock TestBuilding Services Mock TestBuilding Technology and Architectural Planning Mock TestConcrete Technology and Design Mock TestConcrete Technology Mock TestConstruction Management Mock TestConstruction Project Management Mock TestConstruction Quality Control and Monitoring Mock TestConstruction Technology Mock Test Design of Masonry Structures Mock TestDesign of Reinforced Cement Concrete Elements Mock TestDesign of Steel Structures Mock TestDock and Harbour Engineering Mock TestElements of Remote Sensing Mock TestEngineering Geology Mock TestEngineering Graphics Mock TestEngineering Mechanics Mock TestEstimating and Costing Mock TestEstimation, Costing and Valuation Engineering Mock TestFluid Mechanics Mock TestFoundation engineering Mock Test Geotechnical Engineering Mock TestHighway Engineering Mock TestHydraulics and Fluid Mechanics Mock TestHydraulics Machines Mock TestHydraulics Mock TestIrrigation Engineering Mock TestMaintenance and Rehabilitation of Structures Mock TestPrefabricated Structures Mock TestProfessional Ethics in Engineering Mock TestPublic Health Engineering Mock TestRailway Bridge and Tunnel Engineering Mock TestRailway Engineering Mock Test Railways, Airports, Docks and Harbour Engineering Mock TestRCC Structures Design Mock TestSocietal and Global Impact Mock TestSoil Mechanics and Foundations Mock TestStructural Analysis Mock TestStructural Design and Drawing Mock TestStructural Design Mock TestStructural Mechanics Mock TestSurveying Mock TestWaste Water Treatment Mock TestWater Supply Engineering Mock TestWater and Wastewater Engineerin Mock Test Civil Engineering Mock TestsCivil Engineering MCQ Questions with Answers
