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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. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates






2. Overall master plan - comprehensive program






3. 1. high power to weight ration 2. use of different liquids and gaseous fuels 3. start rapidly 4. simple and compact design 5. reliable 6. remote operation






4. The condenser






5. 75 -000 to 100 -00 hours of operation






6. 1. contact - 'jet' 2. surface






7. Most widely used - least amount of steam






8. 1. compression ration across compressor 2. turbine inlet temperature






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






10. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy

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11. 1. brass 2. copper 3. cupronickel






12. Chrome- iron alloy






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






14. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function






15. 1. plate 2. channel






16. Air flow is upward






17. Use antifriction bearings






18. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter






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






20. 1. activated sludge 2. rotating biological contactors 3. trickling filters






21. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity






22. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs






23. 1. to increase steam production 2. control superheater temperatures 3. meet process demands






24. Same principle as a turbine but acting in reverse






25. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters






26. As prime movers in pulp and paper industry






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






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






29. 1. individual pump system 2. distributor system 3. common rail system






30. 1. CCME 2. CEQG 3. CWQG 4. US EPA






31. Small clearances between discs on shaft to...






32. Equal and opposite reation

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33. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature






34. To remove and properly dispose of pollutants






35. Control a steady backpressure - sensing element in exhuast line






36. Entire collection of all component

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37. 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






38. Removal of exhaust gases by blow air through






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






40. Throttle body






41. Defined as one or more tube bundle - served by two or more fans complete with aux equipment






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






43. Up to 60-90%






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






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






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






47. A1 - A2 - A3 - B1 - B2 and B3 A = toxicity not identified under 400ppm B = toxicity identified under 400ppm 1 = not flammable 2 = low flammable limit 3 = highly flammable






48. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control






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






50. Forced or induced draft







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