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. Entire collection of all component

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






3. A verticle well is used to increase the NPSH - gives better performance and less cavitation






4. Requires annual review of SOPs






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






6. Air drawn from atmosphere - working fluid






7. Either fixed production or varying






8. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear






9. Chrome- iron alloy






10. An 'overrunning' clutch






11. Servomotors






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






13. One or more tube bundles - in one or more bays for an individual service or process






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






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






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






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






18. Use antifriction bearings






19. 75 -000 to 100 -00 hours of operation






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






21. Compression ignititon engines






22. Air flow is upward






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






24. Direct contact type - uses converging nozzles and in moderate vacuum






25. 1. Aero- derivate 2. Heavy duty






26. Center- to- center distance between baffles






27. Equal and opposite reation

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






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






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






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






32. Throttle body






33. Forced or induced draft






34. 1. plate 2. channel






35. Radiator type






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






37. Velocity increases as passes through nozzles






38. 1. large volumes of air 2. simple and rugged 3. low maintenance






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






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






41. 1. widely used 2. single stage 3. impulse turbine






42. drum rotors on reaction turbines eliminates...






43. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle






44. Ground water monitoring device






45. Discharge steam when excessive backpressure exists






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






47. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines






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






49. Used to satisfy process steam requirements






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