Power Plant Engineering Online Test

1. Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

2. What happens to the availability in a combined cycle plant?

3. The optimum reheat pressure for most of the modern power plants is ___________ of the initial steam pressure.

4. Which of the following is used in high pressure impulses stages of steam turbine?

5. Maximum permissible temperature in a gas turbine is?

6. The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as?

7. What includes fixed cost?

8. Efficiency gain follow the law of ____________

9. What is the head of water available at turbine inlet in hydro-electric power plant called?

10. The feedwater in the Economiser _________

11. A simple Rankine cycle produces 40 MW of power, 50 MW of process heat and rejects 60 MW of heat to the surroundings. What is the utilization factor of this co generation cycle neglecting the pump work?

12. Which among the following is not an adverse environmental impact of tidal power generation?

13. What is the expression for enthalpy of each heater h_{per heater} if a represents the enthalpy of heated feedwater from the economiser and b represents the enthalpy at condenser & n represents the number of heaters?

14. The relation between the steam rate of ideal regenerative cycle & steam rate of rankine cycle is?

15. Which of the following is not an important characteristic of the Green Revolution?

16. The design of steam generator greatly depends on __________

17. Which of these is not a merit of nuclear power?

18. Atoms of U-238 and U-235 differ in structure by three __________

19. A condenser condenses the steam coming out from?

20. Critical pressure of water is ___________

21. A stage, in reaction turbine, is represented by ____________

22. A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the __________

23. Which material is used for the manufacture of the turbine blades?

24. Steam used to heat water comes from?

25. The cooling medium used in dry quenching of coke is __________

26. In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the __________

27. Natural draught produced by a chimney depends upon __________

28. The diameter of flue tube in a Cornish boiler is __________ that of the shell.

29. Which of the following statement is true?

30. Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.

31. What would be the temperature of the gas in the combustion chamber?

32. 'Fat coal' means a coal having __________

33. In a back pressure turbine _____________

34. A binary vapour plant consists of ____________

35. Name another chemical apart from Sodium Sulphite which is into the feedwater at the suction of the boiler feed pump?

36. Unit of Radioactivity is?

37. Which of these is not a property of MHD power generation?

38. The reheat factor depends upon ____________

39. What is the specific heat of the ideal working fluid used in vapour power cycle?

40. What is the decay product of tritium?

41. Which of these shouldn't be there in the pipelines of working fluid for achieving the conditions of Carnot Cycle?

42. The critical pressure gives the velocity of steam at the throat ___________

43. What is another name of converging nozzle?

44. Which of the following statement is correct?

45. The increment in thermal efficiency compared to the corresponding Subcritical cycle is gained at the expanse of?

46. What is the function of a safety valve?

47. The relative efficiency is defined as?

48. “Overfire burning” in a furnace is a phenomenon characterised by the __________

49. To reduce the power consumption of electromagnets, which type of coils have been suggested?

50. For centrifugal pump impeller, what is the maximum value of the vane exit angle?