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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. high pressure cutout 2. oil pressure cutout 3. pressure relief devices






2. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates






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






4. Center- to- center distance between baffles






5. Refers only to specificly to the turbine section


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






7. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed






8. No dissolved oxygen but does contain nitrates






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






10. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles






11. One or more tube bundles - in one or more bays for an individual service or process






12. Air flow is upward






13. 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






14. 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






15. Requires annual review of SOPs






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






17. On the exhaust side - drives the blower - being connected to the same shaft - increases power by 50-70% as more air is forced into the engine






18. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear






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






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






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






22. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8






23. Driving rotating equipment






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






25. Unit produces electricity on an ongoing basis






26. Eliminates thrust - steam admitted midway along casing






27. Does not contain dissolved oxygen






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






29. To remove and properly dispose of pollutants






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






31. Controlled pressure from intermediate stages of turbine






32. More rounded than impulse blading






33. Increased efficiency due to decreased frictional losses






34. Cannot go below -18






35. 1. Carbon ring 2. labyrinth seal 3. water seal






36. Atmospheric or hyperbolic






37. Overall master plan - comprehensive program






38. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)






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






40. Change in direction causing a turbine to move






41. 1. Aero- derivate 2. Heavy duty






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






43. 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






44. 1. simple design 2. less piping 3. no freezing hazard






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






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






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






48. Made of steel - used for double acting pistons - acts as a piston rod






49. Discharge steam when excessive backpressure exists






50. Removal of exhaust gases by blow air through






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