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






2. Either fixed production or varying






3. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips






4. At high temperatures a material stretches






5. Attempting to pick up a load - turbines in parallel






6. Cool compressed air before point of use






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






8. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control






9. No dissolved oxygen but does contain nitrates






10. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices






11. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function






12. Small pressure drop






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






14. The difference between the no- load and full- load speed - expressed as a %






15. Requires annual review of SOPs






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






17. 'huff and puff' methods

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18. Help maintain definite thrust toward exhaust






19. Rows of stationart baldes with alternating rows of moving blades






20. The volum swept out by the piston - same through all stages






21. drum rotors on reaction turbines eliminates...






22. Forced or induced draft






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






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






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






26. 'booster' compressor






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






28. zeolite molecular sieve desiccant






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






30. Means to come together and form one mass - removes oil and water from air






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






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






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






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






35. 1. Aero- derivate 2. Heavy duty






36. Ground water monitoring device






37. Contains dissolved oxygen






38. Direct prosses applications - absorption refrigeration - heat recovery boiler






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






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






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






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






43. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases






44. Up to 60-90%






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






46. Centrifugal pumps






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






48. '3 ports' 1. intake and exhaust 2. compression and ignititon






49. Results in pressure drop and increased velocity






50. Increased efficiency due to decreased frictional losses