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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. More rounded than impulse blading






2. Refers to the production of electricity form two sources utilizing one fuel source






3. Recuperative category - high pressure






4. Compression ignititon engines






5. 1. Condensing 2. non - condensing (backpressure)






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






7. Entire collection of all component

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8. '3 ports' 1. intake and exhaust 2. compression and ignititon






9. As prime movers in pulp and paper industry






10. 1. compressor discharge 2. condenser 3. liquid receiver






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






12. Wrist pins that connect pistons to rod - retained bu circlips






13. Contains 0.5kg of moisture for every 28 cubic meter of air






14. No dissolved oxygen but does contain nitrates






15. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure






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






17. 1. collection system 2. seperation pond 3. flare pit 4. stabilization lagoon 5. wastewater heater 6. 1st stage aeration tank - activated sludge 7. 2nd stage aeration tank 8. clarifiers 9. polishing pond






18. 1. convergent 2. convergent- divergent






19. Use of a rotary lobe air blower






20. Either fixed production or varying






21. 1. increases net power 2. clean working fluid 3. cheap fuel can be used






22. An 'overrunning' clutch






23. 1. written 2. spoken 3. visual






24. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle






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






26. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic






27. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet






28. 'booster' compressor






29. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear






30. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced






31. 1. can - annular 2. annular 3. single- can






32. Requires annual review of SOPs






33. Higher altitudes






34. Eliminates thrust - steam admitted midway along casing






35. Grit chambers and screens for waster water system






36. Moving blades on a rotor






37. Working fluid is compress then preheated in regenerator






38. On the exhaust side - drives the blower - being connected to the same shaft - increases power by 50-70% as more air is forced into the engine






39. Polymers (polyelectrolytes)






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






41. Pressure drops across the moving blades






42. A concentrated solution at its critical point






43. Small pressure drop






44. Chrome- iron alloy






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






46. 1. deman reservoir 2. avoid overloading compressor 3. dampens deew point and temperature spikes rom air dryer






47. Used to satisfy process steam requirements






48. Used on large turbines to supply lower part of the bearing with oil to prevent metal to metal contact






49. The change in sped that resutls from an increase in load






50. A verticle well is used to increase the NPSH - gives better performance and less cavitation







Sorry!:) No result found.

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