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






2. Waste heat only






3. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control






4. 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






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






6. 1. evaporator coil






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






8. 1. spray 2. fog 3. special evaporator pads






9. Eliminates thrust - steam admitted midway along casing






10. 75 -000 to 100 -00 hours of operation






11. Same principle as a turbine but acting in reverse






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






13. No dissolved oxygen but does contain nitrates






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






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






16. Atmospheric or hyperbolic






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






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






19. 1. electricial purity 2. silver nitrate - milky white






20. Help maintain definite thrust toward exhaust






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






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






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






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






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






26. Very high speed with extremely high centrigufal force and high frictional losses






27. '3 ports' 1. intake and exhaust 2. compression and ignititon






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






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






30. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work






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






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






33. Admirally brass or Munte metal - 25-40mm thick






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






35. 1. plate 2. channel






36. A concentrated solution at its critical point






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






38. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear






39. The condenser






40. 1. Aero- derivate 2. Heavy duty






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






42. Dry surface coolers - no contact convection hx - aka finned tube exchangers






43. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy






44. 'booster' compressor






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






46. 1. written 2. spoken 3. visual






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






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






49. Moving blades on a rotor






50. Driving rotating equipment