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1. What is the primary purpose of a barrage?
- To generate hydroelectric power
- To divert water for irrigation
- To store large volumes of water
- To control floods only
2. How many main types of dams are classified based on structure?
- 2
- 3 (Gravity, Arch, Buttress)
- 4
- 5
3. Which is the longest dam in the world?
- Hirakud Dam (India)
- Three Gorges Dam (China)
- Hoover Dam (USA)
- Grand Coulee Dam (USA)
4. The key difference between a dam and a barrage is:
- A barrage stores water, while a dam diverts it
- A dam stores water, while a barrage regulates its flow
- A barrage is always taller than a dam
- There is no difference
5. Which material is most commonly used in gravity dams?
- Steel
- Concrete
- Wood
- Earth
6. Which dam is built on the River Narmada?
- Sardar Sarovar Dam
- Tehri Dam
- Nagarjuna Sagar Dam
- Hirakud Dam
7. The Farakka Barrage is constructed on which river?
- Yamuna
- Ganga
- Brahmaputra
- Godavari
8. Which country has the most dams in the world?
9. The “Kaptai Dam” is located in which country?
- Nepal
- Bangladesh
- Myanmar
- Bhutan
10. The “Guddu Barrage” is constructed on which river?
11. The term “crest level” in a dam refers to:
- The top level of the dam structure
- The deepest point in the reservoir
- The turbine installation level
- The spillway height
12. What is the primary purpose of a spillway in dams?
- To generate electricity
- To safely discharge excess water
- To store additional water
- To prevent evaporation
13. Which type of dam uses triangular walls to support it?
- Gravity Dam
- Buttress Dam
- Arch Dam
- Earthfill Dam
14. The Three Gorges Dam is located on which river?
- Yellow River
- Yangtze River
- Mekong River
- Pearl River
15. Which component prevents water seepage under a dam?
- Spillway
- Cutoff wall
- Sluice gate
- Gallery
16. The world’s highest gravity dam is:
- Hoover Dam
- Grand Dixence Dam (Switzerland)
- Three Gorges Dam
- Bhakra Dam
17. Major environmental concern of large dams is:
- Increased rainfall
- Loss of biodiversity
- Reduced groundwater
- Soil hardening
18. The primary advantage of a barrage over a dam is:
- Better flow regulation
- Higher power generation
- Larger storage capacit
- Lower construction cost
19. The Aswan High Dam is located in:
- Egypt
- Sudan
- Ethiopia
- Libya
20. Which dam is the largest by volume?
- Three Gorges Dam
- Syncrude Tailings Dam (Canada)
- Hoover Dam
- Grand Coulee Dam
21. Fish ladders are installed in dams to:
- Increase water flow
- Enable fish migration
- Improve oxygenation
- Reduce algae growth
22. The Jhelum River has which major dam?
- Bhakra Dam
- Mangla Dam (Pakistan)
- Sardar Sarovar Dam
- Nagarjuna Sagar Dam
