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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. brass 2. copper 3. cupronickel






2. 'huff and puff' methods

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3. Type of hydrometer indicating % of salt in solution






4. 1. air compressed to 1100-3000kPa 2. combustion at 2000C 3. mixed with air - cooled to 918C on exit 4. combustor gases go to turbine 5. gases from turbine leave at atmospheric pressure and 500-640C






5. Removal of exhaust gases by blow air through






6. Change in direction causing a turbine to move






7. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed






8. Recuperative category - high pressure






9. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently






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






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






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






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






14. 1. use clean burning fuels 2. less fuel being used - saving energy reserves 3. electrical production onsite lowers construction demands for new sites and reduces transmission line power losses






15. Discharge steam when excessive backpressure exists






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






17. 1. control range of 0 to 100% load 2. energy efficient






18. 43-49 degrees C






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






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






21. Moisture removed by centrifugal force






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






23. Monel metal - high tensile strength - nickel copper alloy






24. Calcium chloride and water - -51






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






26. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method






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






28. drum rotors on reaction turbines eliminates...






29. 'booster' compressor






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






31. Use teflon or carbon to lubricate system






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






33. Higher power and speeds






34. 0.577 times the inlet pressure






35. To remove and properly dispose of pollutants






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






37. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8






38. Air drawn from atmosphere - working fluid






39. 1. Split 2. double






40. An 'overrunning' clutch






41. Ground water monitoring device






42. A concentrated solution at its critical point






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






44. Higher altitudes






45. Overall master plan - comprehensive program






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






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






48. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations






49. 1. sliding vane 2. rotary lobe 3. rotary screw ( convex male lobes - pulse free)






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







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Can you answer 50 questions in 15 minutes?


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