HYDEL POWER STATION MCQs – CHAPTER 4 DAE

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1. A power station in which the potential energy of water at a higher level is used to generate electrical energy





2. A means of generating electricity that requires more land than other methods





3. Pakistan has a large hydel power station at





4. A hydel power station can be installed where





5. It is the primary source of water





6. They are usually mounted on the same shaft





7. The water level in a storage reservoir or water storage pond is called





8. The outlet through which the water discharged from the turbine is called





9. The purpose of a lake is to store water and provide ---------





10. All the area behind the dam where water collects from rain and snowmelt





11. Long tunnels are used for the plant





12. This part is not used in hydel power plants





13. A sudden load increase on the generator may cause penstock





14. It provides optimal regulation of water pressure in the system during load changes in a hydel power station





15. The power generated in a hydropower plant depends on





16. Power is delivered from hydropower plants to consumers





17. A hydropower plant that takes water directly from a river is called a run-of-river plant





18. It acts as a natural surge tank in the run-off river plant containing pond





19. Power plants which operate at the lower part of the load curve are called





20. There are hydel power plants depending on the load





21. Pump storage hydel plant has ------ponds





22. Power plants which operate at head which is less than 30 meters, are called





23. It is a type of modern hydraulic turbine





24. A turbine which is driven by the force of water is called





25. This turbine does not require nozzles





26. A turbine whose blades are adjustable is called





27. Francis Turbine are actually





28. Generators are used at low head hydel power plants





29. A sudden increase in load on the generator of a hydel power plant can prevent it from decelerating





30. Hydroelectric generators have number of poles





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