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






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






3. 75 -000 to 100 -00 hours of operation






4. As prime movers in pulp and paper industry






5. Removal of exhaust gases by blow air through






6. 1. air compressed to 1100-3000kPa 2. combustion at 2000C 3. mixed with air - cooled to 918C on exit 4. combustor gases go to turbine 5. gases from turbine leave at atmospheric pressure and 500-640C






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






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






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






10. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control






11. Change in momentum

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






13. 1. compressor discharge 2. condenser 3. liquid receiver






14. 1. planning 2. implementation 3. review






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






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






17. 5mm in diameter






18. Ground water monitoring device






19. Either fixed production or varying






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






21. 1. lubricate sliding surfaces 2. cool bearings






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






23. Equal and opposite reation

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24. 'booster' compressor






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






26. Most widely used - least amount of steam






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






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






29. 1. deman reservoir 2. avoid overloading compressor 3. dampens deew point and temperature spikes rom air dryer






30. Pressure does not drop across the moving blades






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






32. 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






33. Non - condensing turbine exhaust steam at...






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






35. Radiator type






36. Each stage seperated by partitions - nozzles set into diaphragms






37. Polymers (polyelectrolytes)






38. 1. Aero- derivate 2. Heavy duty






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






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






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






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






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






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






45. At high temperatures a material stretches






46. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring






47. 1. individual pump system 2. distributor system 3. common rail system






48. Large turbines with a generator on each shaft






49. Increased efficiency due to decreased frictional losses






50. Unit produces electricity on an ongoing basis