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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. Simple generator - light - no battery - hotter spark at higher speeds






2. Large turbines couple together on a single shaft applied to one generator






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






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






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






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






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






8. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure






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






10. Type of hydrometer indicating % of salt in solution






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






12. Countries with small grids or specail grid requirements - has a high efficiency at base loads






13. 1. spray 2. fog 3. special evaporator pads






14. Used for single acting compressors






15. Either fixed production or varying






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






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






18. Pressure drops across the moving blades






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






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






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






22. As prime movers in pulp and paper industry






23. 1. verticle cyclinder 2. cabin heater 3. central tube wall






24. Increased efficiency due to decreased frictional losses






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






26. 1. lubricate sliding surfaces 2. cool bearings






27. Pressure does not drop across the moving blades






28. Driving rotating equipment






29. '3 ports' 1. intake and exhaust 2. compression and ignititon






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






31. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature






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






33. 1. plate 2. channel






34. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%






35. Counter act force and load on thrust bearings






36. Made of polyethylene - skimming from the surface






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






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






39. Cannot go below -18






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






41. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost






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






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






44. Has steam directed through baffles making 4 passes






45. drum rotors on reaction turbines eliminates...






46. Sagging and hogging - 20-40rpm






47. Working fluid is compress then preheated in regenerator






48. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell






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






50. 1. compressor section 2. combustor 3. turbine section






Can you answer 50 questions in 15 minutes?



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