WEIR AND BARRAGES MCQs – CHAPTER 18 DAE 15 min Score: 0 Attempted: 0/15 Subscribe 1. Weir is a: (A) High head structure (B) None of these (C) A & B Both (D) Low head structureShow All Answers 2. Weir is constructed to: (A) Decrease the water level (B) Store the water (C) Control the water flow (D) Raise the water levelShow All Answers 3. When gates are installed perpendicular to water flow, it is called ____: (A) Weir (B) Barrage (C) Dam (D) SiphonShow All Answers 4. Choose the correct statement: (A) To provide permanent head work at same water flow (B) Weir increase the water level but unable to control silt (C) Weirs are constructed to raise the water level and allow proper silt control (D) None of theseShow All Answers 5. This is a type of weir: (A) Masonry (B) Concrete (C) All of these (D) Rock filledShow All Answers 6. For construction of head works: (A) Path should be narrow (B) Side should be accessible (C) All of these (D) Bank should be well definedShow All Answers 7. This is the main body of structure: (A) Toe wall (B) Apron (C) Sheet pipe (D) Weir breastShow All Answers 8. Main function of ________ is to provide proper anchorage to floor: (A) Downstream apron (B) Cut off (C) Inverted filter (D) Crest shuttersShow All Answers 9. Struts are provided to resist: (A) Force (B) Thrust (C) Friction (D) FlowShow All Answers 10. Toe walls are provided at: (A) Upstream side (B) Downstream side (C) A & B both (D) Parallel to flowShow All Answers 11. It consists of sand & gravels: (A) Sheet pipe (B) Block protection (C) Barrage Piers (D) Inverted filtersShow All Answers 12. Adjustable gates are provided for: (A) Barrages (B) Dams (C) Weir (D) All of theseShow All Answers 13. Flow over a rectangular weir can be calculated as: (A) Q = CLH³/² (B) Q = CDLH⁵/² (C) Q = CDLH³/² (D) Q = CDLH⁵/³Show All Answers 14. When water flows over a weir: (A) It creates thin sheet of water (B) Its pressure increases (C) Energy reduces (D) All of theseShow All Answers 15. The slope of glacis is: (A) 2:3 (B) 4:3 (C) 4:1 (D) 3:1Show All Answers