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. Eliminates thrust - steam admitted midway along casing






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






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






4. Refers to the production of electricity form two sources utilizing one fuel source






5. Counter act force and load on thrust bearings






6. Requires annual review of SOPs






7. Too small to settle out - add floc






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






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






10. Increase pressure affecting performance of condenser but do not incresase temperature






11. Equal and opposite reation

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






13. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical






14. Most widely used - least amount of steam






15. Sagging and hogging - 20-40rpm






16. 1. planning 2. implementation 3. review






17. Refers only to specificly to the turbine section

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18. 1. Aero- derivate 2. Heavy duty






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






20. An 'overrunning' clutch






21. 1. electricial purity 2. silver nitrate - milky white






22. 1. intake 2. compression 3. power 4. exhaust






23. Overall master plan - comprehensive program






24. zeolite molecular sieve desiccant






25. Change in momentum

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






27. 1. sliding vane 2. rotary lobe 3. rotary screw ( convex male lobes - pulse free)






28. Help maintain definite thrust toward exhaust






29. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced






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






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






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






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






34. The utilization of one form of input energy to generate two or more forms of output energy






35. Contains dissolved oxygen






36. Does not contain dissolved oxygen






37. Velocity increases as passes through nozzles






38. Moving blades on a rotor






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






40. Nickel steel - strong fully balanced rotor - expensive






41. Use teflon or carbon to lubricate system






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






43. A group of one or more bays - including one or more units arranged in a single or continuous structure






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






45. Condensing turbines exhaust steam at...






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






47. Atmospheric or hyperbolic






48. Made of cast iron and support by stay bolts to protect against a vacuum






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






50. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed