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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. 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






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






3. Recuperative category - high pressure






4. Centrifugal pumps






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






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






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






8. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical






9. The condenser






10. 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






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






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






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






14. Removal of exhaust gases by blow air through






15. Contains 0.5kg of moisture for every 28 cubic meter of air






16. Each shaft needs a thrust bearing






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






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






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






20. Contains dissolved oxygen






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






22. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding






23. 1. activated sludge and primary sludge combined 2. heated to 37C 3. sits for 25 days 4. anaerobic bacteria breaks down organic contents 5. produces useable gases for waste heat






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






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






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






27. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference






28. Wrist pins that connect pistons to rod - retained bu circlips






29. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control






30. Control a steady backpressure - sensing element in exhuast line






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






32. Moving blades on a rotor






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






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






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






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






37. Waste heat only






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






39. Is the ratio of the discharge pressure to the intake pressure absolute






40. Entire collection of all component

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






42. Cannot go below -18






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






44. drum rotors on reaction turbines eliminates...






45. No dissolved oxygen but does contain nitrates






46. 1. Split 2. double






47. Equal and opposite reation

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48. 1. brass 2. copper 3. cupronickel






49. King valve






50. Seperately forged discs or wheels and shrunk onto shaft







Sorry!:) No result found.

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