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






2. 0.577 times the inlet pressure






3. Steam expands and pressure drops as it passes through moving blades - unbalance pressure






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






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






6. 1. Condensing 2. non - condensing (backpressure)






7. Requires annual review of SOPs






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






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






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






11. Chrome- iron alloy






12. Independant of the governor - inductive sensor (magnetic speed pickups)






13. As prime movers in pulp and paper industry






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






15. Polymers (polyelectrolytes)






16. Refers only to specificly to the turbine section

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


17. Large turbines with a generator on each shaft






18. Type of hydrometer indicating % of salt in solution






19. Moving blades on a rotor






20. 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






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






22. 1. activated sludge 2. rotating biological contactors 3. trickling filters






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






24. Refers to the production of power during overload demands






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






26. Velocity increases as passes through nozzles






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






28. The crankshaft and valve train






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






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






31. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants






32. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing






33. Either fixed production or varying






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






35. Higher power and speeds






36. Help maintain definite thrust toward exhaust






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






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






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






40. Servomotors






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






42. 43-49 degrees C






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






44. Waste heat only






45. Each stage seperated by partitions - nozzles set into diaphragms






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






47. Center- to- center distance between baffles






48. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust






49. Air flow is horizontal






50. 1. can - annular 2. annular 3. single- can