Test your basic knowledge |

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. One or more tube bundles - in one or more bays for an individual service or process






2. King valve






3. Higher power and speeds






4. Hydraulic cylinder or pisston on a governor






5. Equal and opposite reation

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6. zeolite molecular sieve desiccant






7. 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






8. Very high speed with extremely high centrigufal force and high frictional losses






9. Cannot go below -18






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






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






12. Steam expands and pressure drops as it passes through moving blades - unbalance pressure






13. Pressure drops across the moving blades






14. Does not contain dissolved oxygen






15. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades






16. No dissolved oxygen but does contain nitrates






17. Straight condensing






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






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






20. 1. planning 2. implementation 3. review






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






22. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work






23. Ground water monitoring device






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






25. Up to 60-90%






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






27. To remove and properly dispose of pollutants






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






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






30. 1. Split 2. double






31. The crankshaft and valve train






32. Working fluid is compress then preheated in regenerator






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






34. Removal of exhaust gases by blow air through






35. Contains dissolved oxygen






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






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






38. 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






39. Centrifugal pumps






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






41. Moisture removed by centrifugal force






42. Atmospheric or hyperbolic






43. Forced or induced draft






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






45. Center- to- center distance between baffles






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






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






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






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






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