REGULATING AND SILT CONTROLLING WORKS MCQs – CHAPTER 19 DAE 10 min Score: 0 Attempted: 0/10 Subscribe 1. Regulating works are designed for: (A) Efficient navigation (B) All of these (C) Maintain water quality (D) Prevent floodingShow All Answers 2. Head regulator is operated by: (A) Gates (B) Hydraulic jacks (C) Manually (D) None of theseShow All Answers 3. Canal head regulator crest level is equal to: (A) Depth of water in river/5 (B) Depth of water in river/2 (C) Depth of water in river/7 (D) Depth of water in river/3Show All Answers 4. Choose the correct statement: (A) Head regulator controls the supply into canal (B) Head regulator controls silt in canal (C) All of these (D) Head regulator controls dischargeShow All Answers 5. _________ is a type of canal head regulator: (A) Open flow regulation (B) Silt flow regulation (C) Flow control regulation (D) All of theseShow All Answers 6. Silt can be controlled at headworks by: (A) Divide wall (B) Hydraulic system (C) Gates (D) Fish ladderShow All Answers 7. Capacity of the excluded tunnel should be: (A) 10% (B) 30% (C) 20% (D) 50%Show All Answers 8. Minimum velocity through the tunnel should be: (A) 2-3 m/s (B) 2-5 m/s (C) 1-2 m/s (D) 2-4 m/sShow All Answers 9. The height of tunnel is kept _____ for sandy river and ______ for boulder stage river: (A) 0.5 m & 1.0 m (B) 1.0 m & 1.2 m (C) 0.6 m & 1.0 m (D) 0.6 m & 1.2 mShow All Answers 10. The radius of the bend of the tunnel varies: (A) 5-7 times (B) 10-15 times (C) 7-10 times (D) 5-15 timesShow All Answers
