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. Higher altitudes






2. Have advantage of high efficiencies - 10% greater than centrifugal compressors






3. Velocity increases as passes through nozzles






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






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






6. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter






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






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






9. Too small to settle out - add floc






10. Throttle body






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






12. Controlled pressure from intermediate stages of turbine






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






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






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






16. Removal of exhaust gases by blow air through






17. Compression ignititon engines






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






19. Air flow is horizontal






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






21. 1. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads






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






23. drum rotors on reaction turbines eliminates...






24. No dissolved oxygen but does contain nitrates






25. 75 -000 to 100 -00 hours of operation






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






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






28. As prime movers in pulp and paper industry






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






30. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method






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






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






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






34. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston






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






36. The change in sped that resutls from an increase in load






37. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration






38. Chrome- iron alloy






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






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






41. 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






42. 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






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






44. Type of hydrometer indicating % of salt in solution






45. 1. evaporator coil






46. Driving rotating equipment






47. 1. backpressure 2. condensate levels 3. contanimation 4. vacuum pay- off relays (10 to 40kPa) 5. vacuum trip relays (50kPa)






48. Large turbines with a generator on each shaft






49. 0.577 times the inlet pressure






50. Cannot go below -18






Can you answer 50 questions in 15 minutes?



Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests