CANALS MCQs – CHAPTER 20 DAE 30 min Score: 0 Attempted: 0/30 Subscribe 1. Canals are: (A) Natural waterway (B) Artificial waterway (C) A & B both (D) None of theseShow All Answers 2. It is a type of canal: (A) Lined (B) Free board (C) Service canal (D) BermShow All Answers 3. For cutting side slope is taken as: (A) 1.5:1 (B) 1:1 to 1.5:1 (C) 1:1 (D) 1.5:1 to 2:1Show All Answers 4. Distance between toe of bank and top edge of cutting is known as: (A) Barrow pits (B) Berm (C) Spoil banks (D) All of theseShow All Answers 5. If S1:1 is slope in cutting and S2:1 in filling, then initial width is: (A) (S2-S1)d (B) (S2-d)S1 (C) (S1×S2)d (D) (S2+S1)dShow All Answers 6. Choose the correct statement: (A) Berm helps the channel to attain regime condition (B) Berm protects banks for erosion (C) Berm provides scope for expansion (D) All of TheseShow All Answers 7. FSL means: (A) False Saturation level (B) False Supply level (C) Full saturation level (D) Full supply levelShow All Answers 8. Freeboard is taken for 10 to 30 m³/s: (A) 0.50 (B) 0.75 (C) 0.60 (D) 0.90Show All Answers 9. Freeboard is taken for 30 to 150 m³/s: (A) 0.90 (B) 0.60 (C) 0.75 (D) 0.50Show All Answers 10. Banks are provided: (A) To keep water in a path (B) To construct service road (C) Both A & B (D) None of theseShow All Answers 11. Barrow pits should maintain the distance for small channels: (A) 5 meters (B) 3 meters (C) 8 meters (D) 10 metersShow All Answers 12. The depth of pits should be: (A) Less than or equal to 1.5 m (B) Equal to 1 m (C) More than 1 m (D) Less than or equal to 1 mShow All Answers 13. Such type of rain canal flows throughout the year: (A) Rainy (B) Non-perennial (C) Perennial (D) PowerShow All Answers 14. Such type of rain canal flows in only one part the year: (A) Perennial (B) Power (C) Rainy (D) Non-perennialShow All Answers 15. Sadhnai canal connects: (A) Panjnad Link Canal to Muzaffargarh Canal (B) Melsi Link Canal & Tounsa (C) Panjnad Link Canal & Chenab (D) Melsi Link Canal to Muzaffargarh CanalShow All Answers 16. UCC stands for: (A) Undefined Canal Course (B) Underlined Canal Course (C) Upper Chenab Canal (D) Undefined Chenab CanalShow All Answers 17. LCCF stands for: (A) Left Chenab Canal Feeder (B) Lower Canal Course Feeder (C) Left Chenab Course Feeder (D) Lower Chenab Canal FeederShow All Answers 18. Main canal contains the discharge: (A) 10 and more than 10 cumecs (B) 0.25-3 cumecs (C) 5-10 cumecs (D) 7 cumecsShow All Answers 19. Branch canal contains the discharge: (A) 0.25-3 cumecs (B) 5-10 cumecs (C) 10 and more than 10 cumecs (D) 7 cumecsShow All Answers 20. Distributary canal contains the discharge: (A) 5-10 cumecs (B) 10 and more than 10 cumecs (C) 0.25-3 cumecs (D) 7 cumecsShow All Answers 21. Canals are aligned by: (A) Ridge canal (B) Contour canal (C) All of These (D) Side slope canalShow All Answers 22. Choose the correct statement: (A) Lining prevents the growth of weed (B) All of these (C) In lined canal velocity is high (D) Initial cost of lined canal is highShow All Answers 23. For Sindh VC = ______: (A) 0.84Dn (B) mDn (C) mD⁰·⁶⁴ (D) mDShow All Answers 24. VC stands for: (A) Controlled velocity (B) Critical velocity (C) Constant velocity (D) Contoured velocityShow All Answers 25. It is a condition of scouring: (A) Vact < V (B) None of these (C) Vact = V (D) Vact > VShow All Answers 26. It is a condition of silting: (A) Vact = V (B) Vact > V (C) Vact < V (D) None of theseShow All Answers 27. A canal shall be in true regime if: (A) Discharge is constant (B) All of these (C) Silt charge is uniform (D) Flow is uniformShow All Answers 28. Canal velocity ratio = ______: (A) V₀ / V (B) V / V₀ (C) VC / V₀ (D) V / VCShow All Answers 29. For canal, 1 mile = ____________: (A) 4000 ft (B) 4800 ft (C) 5000 ft (D) 5500 ftShow All Answers 30. 5 R.D = ___ for canals: (A) 5 miles (B) 1 mile (C) 1 ft (D) 1000 ftShow All Answers
