Test your basic knowledge |

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. 0.577 times the inlet pressure






2. Requires annual review of SOPs






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






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






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






6. Independant of the governor - inductive sensor (magnetic speed pickups)






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






8. Cause high discharge pressures - more power requirements - reduces capacity






9. 1. convergent 2. convergent- divergent






10. Seperately forged discs or wheels and shrunk onto shaft






11. 'booster' compressor






12. drum rotors on reaction turbines eliminates...






13. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters






14. 1. plate 2. channel






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






16. Center- to- center distance between baffles






17. 1. written 2. spoken 3. visual






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






19. Pressure does not drop across the moving blades






20. Servomotors






21. Help maintain definite thrust toward exhaust






22. Higher power and speeds






23. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface






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






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






26. A group of one or more bays - including one or more units arranged in a single or continuous structure






27. Steam expands and pressure drops as it passes through moving blades - unbalance pressure






28. Use teflon or carbon to lubricate system






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






30. 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






31. Driving rotating equipment






32. Straight condensing






33. Contains 0.5kg of moisture for every 28 cubic meter of air






34. 75 -000 to 100 -00 hours of operation






35. Entire collection of all component

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36. An 'overrunning' clutch






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






38. Unit produces electricity on an ongoing basis






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. Small clearances between discs on shaft to...






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






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






43. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic






44. Radiator type






45. Reduces steam pressure and velocity in two or more steps






46. Centrifugal pumps






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






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






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






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