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Power Engineering 2

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Ground water monitoring device






2. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference






3. Moisture removed by centrifugal force






4. Refers to the production of power during overload demands






5. Forced or induced draft






6. Independant of the governor - inductive sensor (magnetic speed pickups)






7. A thrust block that enables the axial position of the rotor to be controlled






8. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%






9. 1. backpressure 2. condensate levels 3. contanimation 4. vacuum pay- off relays (10 to 40kPa) 5. vacuum trip relays (50kPa)






10. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles






11. The difference between the no- load and full- load speed - expressed as a %






12. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87






13. Made of polyethylene - skimming from the surface






14. Unit produces electricity on an ongoing basis






15. 1. simple design 2. less piping 3. no freezing hazard






16. Small pressure drop






17. Seperately forged discs or wheels and shrunk onto shaft






18. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing






19. 1. large volumes of air 2. simple and rugged 3. low maintenance






20. Velocity increases as passes through nozzles






21. Help maintain definite thrust toward exhaust






22. Cool compressed air before point of use






23. Non - condensing turbine exhaust steam at...






24. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical






25. Each stage seperated by partitions - nozzles set into diaphragms






26. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines






27. Center- to- center distance between baffles






28. Up to 60-90%






29. Controlled pressure from intermediate stages of turbine






30. 75 -000 to 100 -00 hours of operation






31. More rounded than impulse blading






32. Pressure drops across the moving blades






33. Made of steel - used for double acting pistons - acts as a piston rod






34. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring






35. Is the ratio of the discharge pressure to the intake pressure absolute






36. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve






37. Discharge steam when excessive backpressure exists






38. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm






39. Dry surface coolers - no contact convection hx - aka finned tube exchangers






40. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors






41. KW at 15C standard at sealevel with 60% RH






42. Equal and opposite reation

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43. Polymers (polyelectrolytes)






44. Waste heat only






45. Admirally brass or Munte metal - 25-40mm thick






46. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices






47. 1. Split 2. double






48. Same principle as a turbine but acting in reverse






49. Eliminates thrust - steam admitted midway along casing






50. Throttle body







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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