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






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






3. Direct prosses applications - absorption refrigeration - heat recovery boiler






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






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






6. A thrust block that enables the axial position of the rotor to be controlled






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






8. 1. plate 2. channel






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






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






11. On the exhaust side - drives the blower - being connected to the same shaft - increases power by 50-70% as more air is forced into the engine






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






13. 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






14. Help maintain definite thrust toward exhaust






15. Cool compressed air before point of use






16. 1. to increase steam production 2. control superheater temperatures 3. meet process demands






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






18. Removal of exhaust gases by blow air through






19. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily






20. Working fluid is compress then preheated in regenerator






21. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%






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






23. 1. Aero- derivate 2. Heavy duty






24. Change in direction causing a turbine to move






25. Quantity ofr compressed air and delivered air by the compressor






26. Up to 60-90%






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






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






29. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface






30. Overall master plan - comprehensive program






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






32. Waste heat only






33. zeolite molecular sieve desiccant






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






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






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






37. As prime movers in pulp and paper industry






38. Forced or induced draft






39. Moving blades on a rotor






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






41. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based






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






43. Either fixed production or varying






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






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






46. Unit produces electricity on an ongoing basis






47. Use of a rotary lobe air blower






48. Entire collection of all component

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


49. 1. Split 2. double






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