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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. Up to 60-90%






2. Compression ignititon engines






3. 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






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






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






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






7. 1. high power to weight ration 2. use of different liquids and gaseous fuels 3. start rapidly 4. simple and compact design 5. reliable 6. remote operation






8. 1. brass 2. copper 3. cupronickel






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






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






11. Center- to- center distance between baffles






12. 1. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads






13. Air flow is horizontal






14. Atmospheric or hyperbolic






15. Made of polyethylene - skimming from the surface






16. 'huff and puff' methods

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






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






19. Either fixed production or varying






20. At high temperatures a material stretches






21. Calcium chloride and water - -51






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






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






24. Countries with small grids or specail grid requirements - has a high efficiency at base loads






25. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors






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






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






28. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust






29. Does not contain dissolved oxygen






30. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity






31. Use teflon or carbon to lubricate system






32. Throttle body






33. Simple generator - light - no battery - hotter spark at higher speeds






34. Refers to the production of power during overload demands






35. Driving rotating equipment






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






37. Too small to settle out - add floc






38. Air drawn from atmosphere - working fluid






39. A1 - A2 - A3 - B1 - B2 and B3 A = toxicity not identified under 400ppm B = toxicity identified under 400ppm 1 = not flammable 2 = low flammable limit 3 = highly flammable






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






41. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced






42. Higher altitudes






43. 1. Split 2. double






44. Requires annual review of SOPs






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






46. Change in momentum

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






48. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled






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






50. Has steam directed through baffles making 4 passes