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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. zeolite molecular sieve desiccant






2. Results in pressure drop and increased velocity






3. Simple generator - light - no battery - hotter spark at higher speeds






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






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






6. Throttle body






7. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based






8. The condenser






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






10. 1. widely used 2. single stage 3. impulse turbine






11. Forced or induced draft






12. 1. plate 2. channel






13. drum rotors on reaction turbines eliminates...






14. 1. intake 2. compression 3. power 4. exhaust






15. Made of polyethylene - skimming from the surface






16. Use of a rotary lobe air blower






17. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips






18. 1. Responsive to speed changes 2. responsive to pressurre changes






19. Grit chambers and screens for waster water system






20. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable






21. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control






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






23. Recuperative category - high pressure






24. Increase pressure affecting performance of condenser but do not incresase temperature






25. Entire collection of all component

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






27. Large turbines couple together on a single shaft applied to one generator






28. At high temperatures a material stretches






29. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing






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






31. Seperately forged discs or wheels and shrunk onto shaft






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






33. Center- to- center distance between baffles






34. Counter act force and load on thrust bearings






35. Working fluid is compress then preheated in regenerator






36. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management






37. Compression ignititon engines






38. Type of hydrometer indicating % of salt in solution






39. No dissolved oxygen but does contain nitrates






40. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston






41. Driving rotating equipment






42. Chrome- iron alloy






43. Requires annual review of SOPs






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

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






46. 1. electricial purity 2. silver nitrate - milky white






47. Air drawn from atmosphere - working fluid






48. King valve






49. Has steam directed through baffles making 4 passes






50. Cannot go below -18