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






2. 'huff and puff' methods


3. 1. planning 2. implementation 3. review






4. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter






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






6. 1. Aero- derivate 2. Heavy duty






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






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






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






10. Entire collection of all component


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






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






13. Requires annual review of SOPs






14. Does not contain dissolved oxygen






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






16. 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






17. Quantity ofr compressed air and delivered air by the compressor






18. As prime movers in pulp and paper industry






19. Have advantage of high efficiencies - 10% greater than centrifugal compressors






20. Sagging and hogging - 20-40rpm






21. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based






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






23. 1. compressor section 2. combustor 3. turbine section






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






25. Condensing turbines exhaust steam at...






26. The crankshaft and valve train






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






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






29. Same principle as a turbine but acting in reverse






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






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






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






33. Ground water monitoring device






34. Refers only to specificly to the turbine section


35. The condenser






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






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






38. 1. evaporator coil






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






40. Defined as one or more tube bundle - served by two or more fans complete with aux equipment






41. Dry surface coolers - no contact convection hx - aka finned tube exchangers






42. At high temperatures a material stretches






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






44. Atmospheric or hyperbolic






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






46. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy






47. No dissolved oxygen but does contain nitrates






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






49. Forced or induced draft






50. Hydraulic cylinder or pisston on a governor