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. 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


2. 1. convergent 2. convergent- divergent






3. 0.577 times the inlet pressure






4. A concentrated solution at its critical point






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






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






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






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






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

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


10. '3 ports' 1. intake and exhaust 2. compression and ignititon






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






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






13. 43-49 degrees C






14. More rounded than impulse blading






15. 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






16. Polymers (polyelectrolytes)






17. Velocity increases as passes through nozzles






18. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding






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






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






21. Center- to- center distance between baffles






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






23. 1. increases net power 2. clean working fluid 3. cheap fuel can be used






24. Servomotors






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






26. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records






27. A1 - A2 - A3 - B1 - B2 and B3 A = toxicity not identified under 400ppm B = toxicity identified under 400ppm 1 = not flammable 2 = low flammable limit 3 = highly flammable






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






29. Waste heat only






30. 1. air compressed to 1100-3000kPa 2. combustion at 2000C 3. mixed with air - cooled to 918C on exit 4. combustor gases go to turbine 5. gases from turbine leave at atmospheric pressure and 500-640C






31. Equal and opposite reation

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


32. Unit produces electricity on an ongoing basis






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






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






35. Overall master plan - comprehensive program






36. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)






37. Chrome- iron alloy






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






39. An 'overrunning' clutch






40. Forced or induced draft






41. Cool compressed air before point of use






42. Used to satisfy process steam requirements






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






44. 1. Split 2. double






45. 1. Aero- derivate 2. Heavy duty






46. The crankshaft and valve train






47. DLN - reduce NOx down to 9ppm but have an increased combustion area






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






49. Hydraulic cylinder or pisston on a governor






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