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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. Requires annual review of SOPs






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






3. Recuperative category - high pressure






4. Monel metal - high tensile strength - nickel copper alloy






5. Refers only to specificly to the turbine section

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6. Use antifriction bearings






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






8. 'huff and puff' methods

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9. 1. large volumes of air 2. simple and rugged 3. low maintenance






10. Equal and opposite reation

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11. 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






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






13. Unit produces electricity on an ongoing basis






14. 1. sliding vane 2. rotary lobe 3. rotary screw ( convex male lobes - pulse free)






15. 1. written 2. spoken 3. visual






16. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function






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






18. Center- to- center distance between baffles






19. 1. brass 2. copper 3. cupronickel






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






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






22. Removal of exhaust gases by blow air through






23. Results in pressure drop and increased velocity






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






25. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily






26. Moisture removed by centrifugal force






27. The crankshaft and valve train






28. Working fluid is compress then preheated in regenerator






29. Rows of stationart baldes with alternating rows of moving blades






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






31. 'booster' compressor






32. Compression ignititon engines






33. Refers to the production of power during overload demands






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






35. KW at 15C standard at sealevel with 60% RH






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






37. Forced or induced draft






38. As prime movers in pulp and paper industry






39. 1. Aero- derivate 2. Heavy duty






40. 1. CCME 2. CEQG 3. CWQG 4. US EPA






41. Small pressure drop






42. Same principle as a turbine but acting in reverse






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






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






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






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






47. Driving rotating equipment






48. Controlled pressure from intermediate stages of turbine






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






50. 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