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. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston






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






3. Use of a rotary lobe air blower






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






5. Recuperative category - high pressure






6. Eliminates thrust - steam admitted midway along casing






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






8. Refers to the production of power during overload demands






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






10. 'booster' compressor






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






12. Has steam directed through baffles making 4 passes






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






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






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






16. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants






17. DLN - reduce NOx down to 9ppm but have an increased combustion area






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






19. 1. Split 2. double






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






21. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference






22. Control a steady backpressure - sensing element in exhuast line






23. Type of hydrometer indicating % of salt in solution






24. 1. Responsive to speed changes 2. responsive to pressurre changes






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






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






27. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently






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






29. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve






30. Counter act force and load on thrust bearings






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






32. The crankshaft and valve train






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






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






35. Air flow is upward






36. Have advantage of high efficiencies - 10% greater than centrifugal compressors






37. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records






38. Atmospheric or hyperbolic






39. Forced or induced draft






40. The condenser






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






42. zeolite molecular sieve desiccant






43. Higher altitudes






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






45. Chrome- iron alloy






46. Discharge steam when excessive backpressure exists






47. Small clearances between discs on shaft to...






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






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






50. To remove and properly dispose of pollutants