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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. Split 2. double






2. Waste heat only






3. Needs to a high vacuum present in system before charging






4. 43-49 degrees C






5. Overall master plan - comprehensive program






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






7. Results in pressure drop and increased velocity






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






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






10. Contains dissolved oxygen






11. As prime movers in pulp and paper industry






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






13. 1. verticle cyclinder 2. cabin heater 3. central tube wall






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






15. Equal and opposite reation

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16. The crankshaft and valve train






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






18. Working fluid is compress then preheated in regenerator






19. Throttle body






20. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing






21. Polymers (polyelectrolytes)






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






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






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






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






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






27. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades






28. The volum swept out by the piston - same through all stages






29. 1. evaporator coil






30. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs






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






32. The space wherein the liquid refrigerant absorbs heat and boils






33. Cool compressed air before point of use






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






35. Ground water monitoring device






36. 75 -000 to 100 -00 hours of operation






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






38. Most widely used - least amount of steam






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






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






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






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






43. Condensing turbines exhaust steam at...






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






45. Discharge steam when excessive backpressure exists






46. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management






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






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






49. 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






50. The change in sped that resutls from an increase in load