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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. 5mm in diameter






2. A verticle well is used to increase the NPSH - gives better performance and less cavitation






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






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






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






6. Ground water monitoring device






7. Pressure does not drop across the moving blades






8. Used to satisfy process steam requirements






9. Small pressure drop






10. Overall master plan - comprehensive program






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






12. Velocity increases as passes through nozzles






13. Either fixed production or varying






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






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






16. Air flow is upward






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

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18. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases






19. Servomotors






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






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






22. On the exhaust side - drives the blower - being connected to the same shaft - increases power by 50-70% as more air is forced into the engine






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






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






25. Refers to the production of power during overload demands






26. More rounded than impulse blading






27. Driving rotating equipment






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






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






30. 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






31. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting






32. Straight condensing






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






34. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control






35. The crankshaft and valve train






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






37. Nickel steel - strong fully balanced rotor - expensive






38. Too small to settle out - add floc






39. At high temperatures a material stretches






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






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






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






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






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






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






46. Made of cast iron and support by stay bolts to protect against a vacuum






47. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet






48. Seperately forged discs or wheels and shrunk onto shaft






49. Counter act force and load on thrust bearings






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







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Can you answer 50 questions in 15 minutes?


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