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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. Flyweights 2. coutner spring 3. function based on centrifugal force






2. Straight condensing






3. Center- to- center distance between baffles






4. Each shaft needs a thrust bearing






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






6. Dry surface coolers - no contact convection hx - aka finned tube exchangers






7. '3 ports' 1. intake and exhaust 2. compression and ignititon






8. 1. lubricate sliding surfaces 2. cool bearings






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






10. 1. contact - 'jet' 2. surface






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






12. Pressure drops across the moving blades






13. A concentrated solution at its critical point






14. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity






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






16. 0.577 times the inlet pressure






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






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






19. Equal and opposite reation

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20. Cannot go below -18






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






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






23. Air drawn from atmosphere - working fluid






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






25. Overall master plan - comprehensive program






26. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy






27. 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






28. Fuel supplied firstg produces electrcial power with thermal energy as a by- product

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29. Velocity increases as passes through nozzles






30. Seperately forged discs or wheels and shrunk onto shaft






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






32. Requires annual review of SOPs






33. 1. use clean burning fuels 2. less fuel being used - saving energy reserves 3. electrical production onsite lowers construction demands for new sites and reduces transmission line power losses






34. Centrifugal pumps






35. Controlled pressure from intermediate stages of turbine






36. At high temperatures a material stretches






37. Use of a rotary lobe air blower






38. 1. Aero- derivate 2. Heavy duty






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






40. Change in momentum

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41. Results in pressure drop and increased velocity






42. Entire collection of all component

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43. 1. Split 2. double






44. Radiator type






45. Results in a gain in velocity - the moving blades change direction producing force






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






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






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






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






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