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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. Atmospheric or hyperbolic






2. Controlled pressure from intermediate stages of turbine






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






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






5. Made of polyethylene - skimming from the surface






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






7. 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






8. Throttle body






9. Change in momentum

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






11. 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






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






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






14. Equal and opposite reation

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15. Help maintain definite thrust toward exhaust






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






17. Ground water monitoring device






18. zeolite molecular sieve desiccant






19. Rows of stationart baldes with alternating rows of moving blades






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






21. Attempting to pick up a load - turbines in parallel






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






23. 0.577 times the inlet pressure






24. Fuel supplied firstg produces electrcial power with thermal energy as a by- product

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25. The utilization of one form of input energy to generate two or more forms of output energy






26. Used to satisfy process steam requirements






27. Chrome- iron alloy






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






29. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers






30. 1. spray 2. fog 3. special evaporator pads






31. Either fixed production or varying






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






33. Eliminates thrust - steam admitted midway along casing






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






35. Air flow is upward






36. Cool compressed air before point of use






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






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






39. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87






40. 1. Carbon ring 2. labyrinth seal 3. water seal






41. KW at 15C standard at sealevel with 60% RH






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






43. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor






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






45. 1. lubricate sliding surfaces 2. cool bearings






46. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface






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






48. Direct prosses applications - absorption refrigeration - heat recovery boiler






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






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