83 Irrigation Engineering Chapter Wise McQ Test of 25 Question #8 Irrigation Engineering Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Irrigation canals are generally aligned along A. Straight line B. Contour line C. Valley line D. Ridge line 2 / 25 2. In plain areas, the irrigation canals are usually aligned along: A. ridge lines B. contour lines C. valley lines D. Across the contours 3 / 25 3. The canal which is not supposed to do any irrigation is called: A. main canal B. water course C. major distributary D. Minor distributary 4 / 25 4. The canal which is not supposed to do any irrigation is called: A. main canal B. water course C. major distributary D. Minor distributary 5 / 25 5. The channel constructed to bypass the excess water entering a canal, is called A. canal module B. canal siphon C. canal escape D. canal regulator 6 / 25 6. Triangular weir is also called: A. Trigonometric B. Ogee C. V-notch D. Isolated 7 / 25 7. Weirs are normally used to calculate: A. Volume B. Head loss C. Discharge D. Velocity 8 / 25 8. F.S.L. of a canal at its head with respect to parent channel is kept A. at the same level B. 15 cm lower C. 15 cm higher D. none of these 9 / 25 9. Distributary head regulators are provided A. to control supply to off taking canal B. To control the entry of silt in the of taking canal C. To stop the supply, when not needed, in the off taking canal D. All of above 10 / 25 10. A cross regulator helps in A. increasing supply in the parent canal downstream B. increasing supply in the off taking channel C. increasing water depth of the parent canal, upstream D. All of these 11 / 25 11. Cross regulators in main canals are provided A. To regulate water supply in the distributaries B. To increase water head upstream when a main canal is running with low suppliesTo increase water head upstream when a main canal is running with low supplies C. To overflow excessive flow water D. None of these 12 / 25 12. The gated regulator, which is constructed in the parent canal near the site of an off-taking canal, is called. A. canal head regulator B. distributary head regulator C. cross regulator D. none of the above 13 / 25 13. The canal regulator, which is constructed at a diversion headworks, is called A. cross regulator B. canal module C. distributary head regulator D. none of the above 14 / 25 14. The main cause of silting up a channel, A. non-regime section B. Inadequate slope C. Defective head regulator D. All of the above 15 / 25 15. Borrow pits should preferably be located in A. Field on the left side of the canal B. Field on the right side of the canal C. Fields on both sides of the canal D. Central half width of the section of the canal 16 / 25 16. By constructing which structure we can help the fish in their migration? A. Scouring Sluices B. Silt Excluder C. Fish Ladder D. Divide Wall 17 / 25 17. Which device is used for silt removal after it enters the canal? A. Silt Excluder B. Silt Ejector C. Weir D. Barrage 18 / 25 18. After entering the canal, sediments are removed by the A. silt ejector B. silt excluder C. silt regulator D. none of above 19 / 25 19. What device is placed in front of head regulator for silt removal? A. Weir B. Silt Extractor C. Silt Excluder D. Barrage 20 / 25 20. The silt regulator at the head of channel is called A. silt ejector B. silt excluder C. silt sweeper D. silt washer 21 / 25 21. A divide wall is provided A. Control the silt entering the canal B. Separate the under sluices from weir proper C. Prevent river flood, entering the canal D. All of the above 22 / 25 22. In a diversion headwork’s project, the canal head regulator is usually aligned: A. parallel to the barrage axis B. perpendicular to the divide wall C. parallel to the divide wall D. None of them 23 / 25 23. The crest level of a canal diversion head work, depends upon A. F.S.L. of the canal B. Discharge perimeters C. Pond level D. All of the above 24 / 25 24. Crest level in barrage is A. Low with large gate B. High with small gate C. Low with small gate D. High with large gate 25 / 25 25. A weir, which has a till water level higher than the weir crest, by which the discharge is affected, is called A. Negative head weir B. Flooded weir C. Submerged weir D. None of the above Your score is The average score is 56% 0% Restart quiz Exit civil engineerirrigation engineeringmcq civilmock testnecpscupsc
