CROSS DRAINAGE WORKS MCQs – CHAPTER 22 DAE 12 min Score: 0 Attempted: 0/12 Subscribe 1. Cross drainage works are constructed: (A) Above River (B) Below River (C) Across River (D) All of theseShow All Answers 2. Primary purpose of cross drainage works: (A) Prevent obstructions of water course (B) Ensure smooth flow of water (C) To prevent flooding (D) All of theseShow All Answers 3. Aqueduct is a: (A) Road (B) Bridge (C) Canal (D) PathShow All Answers 4. Free board for aqueduct is taken as: (A) 0.50 m (B) 0.40 m (C) 0.80 m (D) 0.20 mShow All Answers 5. For siphon aqueduct: (A) Bed is higher than canal (B) Bed is on same level (C) None of these (D) Bed is depressed below the canalShow All Answers 6. Drainage inlet is ___________ for low discharge: (A) Complicated structure (B) None of these (C) Simple structure (D) Economical structureShow All Answers 7. For super passage: (A) Canal is taken below the drain (B) Canal is taken above the drain (C) Canal is taken at same level (D) Both A & BShow All Answers 8. Siphon super passage is opposite to: (A) Super passage (B) Level crossing (C) Siphon aqueduct (D) All of theseShow All Answers 9. Level crossing is constructed: (A) When drain and canal, both are at same level (B) When discharge in canal is low (C) When drain and canal are at a different level (D) When discharge in drain is higherShow All Answers 10. Crest wall is provided: (A) Parallel to drain (B) Incline to drain (C) Across the drain (D) All of theseShow All Answers 11. For drain outlet: (A) Crest of river is kept above (B) Drain regulator is at the FSL upstream side (C) No crest wall is provided (D) All of theseShow All Answers 12. Which one is the last structure of minor: (A) Outlet (B) Tail escape (C) Aqueduct (D) Level crossingShow All Answers
