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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. Flyweights 2. coutner spring 3. function based on centrifugal force






2. Used for single acting compressors






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






4. Refers only to specificly to the turbine section

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5. Driving rotating equipment






6. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices






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






8. 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






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






10. Change in direction causing a turbine to move






11. 1. brass 2. copper 3. cupronickel






12. Centrifugal pumps






13. Has steam directed through baffles making 4 passes






14. A concentrated solution at its critical point






15. Higher altitudes






16. Polymers (polyelectrolytes)






17. The space wherein the liquid refrigerant absorbs heat and boils






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






19. Calcium chloride and water - -51






20. Sagging and hogging - 20-40rpm






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






22. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell






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






24. Unit produces electricity on an ongoing basis






25. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants






26. Needs to a high vacuum present in system before charging






27. 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






28. 'booster' compressor






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






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






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






32. Controlled pressure from intermediate stages of turbine






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






34. Same principle as a turbine but acting in reverse






35. DLN - reduce NOx down to 9ppm but have an increased combustion area






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






37. Means to come together and form one mass - removes oil and water from air






38. 0.577 times the inlet pressure






39. Atmospheric or hyperbolic






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






41. Equal and opposite reation

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42. Each shaft needs a thrust bearing






43. Ground water monitoring device






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






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






46. The volum swept out by the piston - same through all stages






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






48. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration






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






50. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records