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. Tortuosity of a meandering river is always a) more than one b) equal to one c) less than one d) none of the above 2 / 30 2. Darcy's formula is given by a) the rate of flow is proportional to the hydraulic gradient b) the rate of flow is proportional to the exit gradient c) the rate of discharge is proportional to the hydraulic gradient d) the rate of discharge is proportional to the exit gradient 3 / 30 3. For the maximum velocity occurring in a canal, the hydraulic mean depth is a) minimum b) maximum c) medium d) none of the above 4 / 30 4. 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 5 / 30 5. For the upstream face of an earthen dam, the most adverse condition for the stability of slope is a) steady seepage b) sudden draw down c) sloughing of slope d) none of the above 6 / 30 6. A divide wall is provided a) parallel to the axis of weir and upstream of it b) perpendicular to the axis of weir c) at right angle to the axis of weir d) none of the above 7 / 30 7. In an earthen dam, seepage through the embankment is controlled by a) drainage gallery b) drain trenches c) relief walls d) horizontal blanket 8 / 30 8. When the discharge of a well decreases by the design amount, then this type of well is called a) damage well b) rough well c) less capacity well d) sick well 9 / 30 9. A fall, which maintains its depth, is a) a low weir fall b) a trapezoidal notch fall c) a rectangular notch fall d) all of the above 10 / 30 10. An aggrading river is a) scouring river b) silting river c) both (a) and (b) of above d) none of the above 11 / 30 11. *Available moisture may be defined as the a) moisture content at permanent wilting point b) difference in water content of the soil between field capacity and permanent wilting point c) maximum moisture-holding capacity d) all of the above 12 / 30 12. A weir in which the tail water stays below the crest is called a) free weir b) natural weir c) ground weir d) all of the above 13 / 30 13. A wall built along the bank of a river, parallel to the direction of flow for directing fast flow from a sluice or spillway, to prevent eroding banks of a river or canal, is called a) toe wall b) training wall c) wing wall d) divide wall 14 / 30 14. According to Khosla's theory, the exit gradient a) depends on d/b ratio b) depends on b/d ratio c) cannot exceed unity d) can be zero 15 / 30 15. 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 16 / 30 16. 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 17 / 30 17. For an earthen dam, least suited spillway is: a) ogee spillway b) chute spillway c) shaft spillway d) none of the above 18 / 30 18. 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 19 / 30 19. 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 20 / 30 20. *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 21 / 30 21. 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 22 / 30 22. *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 23 / 30 23. *The discharge through a channel is maximum when a) d = b/3 b) m = d/2 c) d = b d) b = 1.5d 24 / 30 24. The discharge capacity of the undersluice is a) twice the maximum discharge of the off-taking canal b) 20% of maximum flood discharge c) maximum winter discharge d) greatest of all of the above 25 / 30 25. A fall in a canal bed is generally provided if a) the ground slope exceeds the designed bed slope b) the designed bed slope exceeds the ground slope c) the ground slope is practically the same as the designed bed slope d) none of the above 26 / 30 26. The maximum quantity of water that can be supplied from the reservoir with full guarantee during the worst dry period is known as a) safe yield b) design yield c) secondary yield d) average yield 27 / 30 27. The useful storage is the volume of water stored in the reservoir between: a) minimum pool level and maximum pool level b) minimum pool level and normal pool level c) normal pool level and maximum pool level d) none of the above 28 / 30 28. The structures constructed transverse to the river flow, which extend from bank to the river, are called a) groynes b) spurs c) platform d) both (a) and (b) of above 29 / 30 29. Cross walls provided across the stream, built under the floor of a hydraulic structure at the upstream and downstream ends of the pavement to avoid scour and protect floors, abutments etc., and which is carried up to another, is called a) back walls b) curtain wall c) flarred wall d) parapet wall 30 / 30 30. *The discharge in an open channel is inversely proportional to a) roughness of the section b) sectional area c) slope of the channel d) hydraulic radius 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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