Quiz No:49 Power plant Engineering RRB , Coal India , Engineering diploma Level , PWD , PSC

1. Critical pressure of water is—

 
 
 
 

2. The efficiency of a thermal power plant* improves with—

 
 
 
 

3. As steam expands in turbine—

 
 
 
 

4. Burning of low grade fuel can be improved by-

 
 
 
 

5. Water is supplied to a boiler—

 
 
 
 

6. Which of the following enters the supper heater of a boiler?

 
 
 
 

7. The equipment installed in power plants to reduce air pollution due to smoke is—

 
 
 
 

8. Permissible pH value of water for boilers is —

 
 
 
 

9. A condenser in a thermal power plant con­denser steam combing out of—

 
 
 
 

10. Which of the following is not high pressure boiler ?

 
 
 
 

11. What is the maximum size of steam turbine being installed in India for thermal power plants ?

 
 
 
 

12. Overall thermal efficiency of a steam power station is in the range—

 
 
 
 

13. Which of the following is not the voltage at which power is transmitted in India ?

 
 
 
 

14. Most of the generators in thermal power plants run at—

 
 
 
 

15. Standard frequency for electric supply in India is—

 
 
 
 

16. Bagasse is —

 
 
 
 

17. Low grade fuels have—

 
 
 
 

18. Which variety of coal has lowest calorific value ?

 
 
 
 

19. In a steam locomotive the engine is —

 
 
 
 

20. The boiler using lignite as fuel do not use—

 
 
 
 

21. In a steam turbine cycle, the lowest pressure occurs in—

 
 
 
 

22. Steam pressure in modern thermal plants of 100 MW and above capacity may be expec­ted to be—

 
 
 
 

23. The overall efficiency of a boiler in a thermal power plant is of the order of—

 
 
 
 

24. Chemical composition of coal is given by—

 
 
 
 

25. Which coal will have highest ash content ?

 
 
 
 

26. Ash content of most of the Indian coals is around—

 
 
 
 

27. Ash content of coal can be reduced by—

 
 
 
 

28. A 100 MW thermal power plant will con­sume nearly how many tonnes of coal in one hour?

 
 
 
 

29. The steam consumption per kWh of electri­city generated in a modern power plant is of the order of—