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






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






3. 'huff and puff' methods

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4. 1. brass 2. copper 3. cupronickel






5. Sagging and hogging - 20-40rpm






6. Direct contact type - uses converging nozzles and in moderate vacuum






7. Condensing turbines exhaust steam at...






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






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






10. 1. plate 2. channel






11. Large turbines with a generator on each shaft






12. Higher altitudes






13. Entire collection of all component

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14. Does not contain dissolved oxygen






15. At high temperatures a material stretches






16. Recuperative category - high pressure






17. Nickel steel - strong fully balanced rotor - expensive






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






19. 1. compressor discharge 2. condenser 3. liquid receiver






20. Velocity increases as passes through nozzles






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






22. Waste heat only






23. Too small to settle out - add floc






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






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






26. Small pressure drop






27. Made of polyethylene - skimming from the surface






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






29. 0.577 times the inlet pressure






30. drum rotors on reaction turbines eliminates...






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






32. A thrust block that enables the axial position of the rotor to be controlled






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






34. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%






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






36. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle






37. Same principle as a turbine but acting in reverse






38. 1. convergent 2. convergent- divergent






39. Refers only to specificly to the turbine section

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40. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic






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






42. Ground water monitoring device






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






44. The condenser






45. The crankshaft and valve train






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






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






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






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






50. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost