THERMAL POWER STATION MCQs – CHAPTER 2 DAE

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1. Power plants that convert water in boilers into steam by generating heat energy using a thermal source are called





2. A machine which converts the energy contained in steam into mechanical energy is called;





3. The steam power station has large sections





4. A thermal (steam) power plant consists of these major parts





5. The primary purpose of a thermal power plant is to





6. A boiler is a device which;





7. Boiler is used in





8. The types of boiler are





9. In a water tube boiler





10. Economizers are used to heat





11. By heating the feed water in the economizer





12. A steam power plant has an economizing function





13. This advantage is achieved by the use of economizer in a steam power plant





14. Heating the feed water with flue gases saves fuel





15. Steam is passed through this before sending from the boiler to the turbine





16. The aim to pass the steam through the super heater is





17. ----------- is passed through the superheater





18. The superheater is fitted





19. A steam condenser is essentially a device





20. The steam coming out of the steam turbine goes





21. Turbo alternators are ------pole machines





22. ------Turbine in which the pressure remains constant as the steam passes over the moving blades





23. A diesel engine power plant has an important part





24. ------- Power plants can be installed in less time





25. This method is used for cooling large diesel engines





26. Diesel power plant has higher initial cost than steam power plant;





27. Environmental impact of thermal power station affects the;





28. Which fuel used in thermal power plant produces pollution?





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