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






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






3. 1. Aero- derivate 2. Heavy duty






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






5. Seperately forged discs or wheels and shrunk onto shaft






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






7. Fuel supplied firstg produces electrcial power with thermal energy as a by- product

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8. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers






9. Used to satisfy process steam requirements






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






11. Defined as one or more tube bundle - served by two or more fans complete with aux equipment






12. '3 ports' 1. intake and exhaust 2. compression and ignititon






13. 1. simple design 2. less piping 3. no freezing hazard






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






15. 1. evaporator coil






16. Refers only to specificly to the turbine section

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17. 1. brass 2. copper 3. cupronickel






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






19. 1. collection system 2. seperation pond 3. flare pit 4. stabilization lagoon 5. wastewater heater 6. 1st stage aeration tank - activated sludge 7. 2nd stage aeration tank 8. clarifiers 9. polishing pond






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






21. Controlled pressure from intermediate stages of turbine






22. Compression ignititon engines






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






24. Contains 0.5kg of moisture for every 28 cubic meter of air






25. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs






26. 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






27. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable






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






29. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy

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30. Discharge steam when excessive backpressure exists






31. 1. plate 2. channel






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






33. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations






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






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






36. Air drawn from atmosphere - working fluid






37. Moving blades on a rotor






38. 5mm in diameter






39. 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






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






41. Higher altitudes






42. More rounded than impulse blading






43. drum rotors on reaction turbines eliminates...






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






45. zeolite molecular sieve desiccant






46. Radiator type






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






48. The crankshaft and valve train






49. Results in a gain in velocity - the moving blades change direction producing force






50. Hydraulic cylinder or pisston on a governor