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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. Split 2. double






2. Velocity increases as passes through nozzles






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






4. Refers to the production of power during overload demands






5. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure






6. 1. deman reservoir 2. avoid overloading compressor 3. dampens deew point and temperature spikes rom air dryer






7. Discharge steam when excessive backpressure exists






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






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






10. 1. compression ration across compressor 2. turbine inlet temperature






11. 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






12. 1. CCME 2. CEQG 3. CWQG 4. US EPA






13. Large turbines with a generator on each shaft






14. drum rotors on reaction turbines eliminates...






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






16. Increased efficiency due to decreased frictional losses






17. Centrifugal pumps






18. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8






19. 1. control range of 0 to 100% load 2. energy efficient






20. 5mm in diameter






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






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






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






24. Driving rotating equipment






25. Polymers (polyelectrolytes)






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






27. KW at 15C standard at sealevel with 60% RH






28. Either fixed production or varying






29. Servomotors






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






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






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






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






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






35. 1. high power to weight ration 2. use of different liquids and gaseous fuels 3. start rapidly 4. simple and compact design 5. reliable 6. remote operation






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






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






38. Refers only to specificly to the turbine section

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39. Has steam directed through baffles making 4 passes






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






41. Higher power and speeds






42. 1. compressor discharge 2. condenser 3. liquid receiver






43. Nickel steel - strong fully balanced rotor - expensive






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






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






46. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently






47. Each shaft needs a thrust bearing






48. As prime movers in pulp and paper industry






49. Made of steel - used for double acting pistons - acts as a piston rod






50. Use teflon or carbon to lubricate system