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Test your basic knowledge |
Power Engineering 2
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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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. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates
bakpressure turbines
types of refrigerant evaporators
marco cogeneration advantages
non - condensing turbines used
2. Overall master plan - comprehensive program
gantt chart
Above or at atmospheric pressure
impulse buckets
angstrom particles
3. 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
communication structure
headworks
gas turbine advantages
aero- derivative turbines
4. The condenser
'bottoming cycle'
air leak tolerated in condenser up to...
eutectic solution
largest hx in a plant is...
5. 75 -000 to 100 -00 hours of operation
single flow turbines
a tandem turbine coupled by flexible couplings
gas turbine blades should be replaced every
creep
6. 1. contact - 'jet' 2. surface
cogeneration reduces energy costs by...
jet condensers
condenser types
anaerobic
7. Most widely used - least amount of steam
single flow turbines
2 stroke internal combustion
newton's 3rd law of motion
sodium chloride
8. 1. compression ration across compressor 2. turbine inlet temperature
mirco cogeneration advantages
2 major factos affecting gas turbine efficiency and power
brine
3 types of communication
9. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring
double pipe hx
coagulant aids
expansion valve
communication structure
10. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy
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11. 1. brass 2. copper 3. cupronickel
ISO 9000 certified
rotary compressor control
methods to offset axial thrust
heat exchanger materials
12. Chrome- iron alloy
two stage refrigeration system
sealing strips made of...
jacking oil system
ammonia compression cycle high side components
13. Wrist pins that connect pistons to rod - retained bu circlips
turbocharge
3 types of communication
difference between diesel and gas engines
gudgeon pins
14. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function
aftercoolers
intercoolers
close cycle
speed droop
15. 1. plate 2. channel
compressor valve types
condenser tube attachment methods
impulse turbine disadvantage
legal requirements of record keeping
16. Air flow is upward
rotary compressor types
gas turbine operating principles
3 types of communication
counterflow
17. Use antifriction bearings
refrigeration system charging
compressor displacement
aero- derivative turbines
close cycle
18. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
supercharge
air leaks in condensers
BOD (biological oxygen demand)
anaerobic digesters
19. Admirally brass or Munte metal - 25-40mm thick
condenser tube sheets made of...
impulse turbine disadvantage
oil free compressors
types of turbines
20. 1. activated sludge 2. rotating biological contactors 3. trickling filters
air cooling advantages over water cooling
open cycle
base load
biological removal of solids
21. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
impulse turbine disadvantage
3 types of communication
purpose of a wet receiver
critical path method (CPM)
22. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs
2 stroke internal combustion
close cycle disadvantages
velocity compounding
'gas turbine'
23. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
duct burners in HRSG
nozzles types
condenser types
inlet air unloader advantages
24. Same principle as a turbine but acting in reverse
two stage refrigeration system
axial compressors
higher compression ratios needed at...
staging
25. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters
nozzles types
centrifugal air compressor disadvantages
mechanical governors
open cycle
26. As prime movers in pulp and paper industry
inlet cooling methods - evaporative
steam expanding through stationary nozzles
non - condensing turbines used
dry low NOx combustion systems
27. 1. Condensing 2. non - condensing (backpressure)
brine
water boxes
extraction governor
types of turbines
28. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
dual shaft combined cycle cogeneration
aero- derivative turbines
single point fuel injection
gas turbine disadvantages
29. 1. individual pump system 2. distributor system 3. common rail system
diesel engines aka
impulse buckets
solid injection designs
Pressure below atmospheric
30. 1. CCME 2. CEQG 3. CWQG 4. US EPA
government regualtions for waste water
impulse buckets
balancing pipe
thermocouple locations in fired heaters
31. Small clearances between discs on shaft to...
cogeneration reduces energy costs by...
Prevent thermal stresses
Above or at atmospheric pressure
Piezometer wells
32. Equal and opposite reation
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33. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
staging
single point fuel injection
power oil
lube oil system basic functions
34. To remove and properly dispose of pollutants
3 types of gas turbine combustors
gas turbine blades should be replaced every
waste water treatment purpose
pressure compounding
35. Control a steady backpressure - sensing element in exhuast line
government regualtions for waste water
pressure sensitve governors
regulation compressor systems
isochronous governing
36. Entire collection of all component
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37. 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
waste water treatment plant components
single shaft combine cycle cogeneration
types of refrigerant evaporators
double pipe hx
38. Removal of exhaust gases by blow air through
combined cycle cogeneration
pressure- velocity compounding
bay
scavenging
39. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
communication structure
surface condenser
turbocharge
ammonia compression cycle low side
40. Throttle body
baffle pitch
close cycle
single point fuel injection
anaerobic digesters
41. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
condenser types
bay
coagulant aids
rotary compressor control
42. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
air ejectors
what large rotors are made of
environmental management program
electronic overspeed trip
43. Up to 60-90%
refrigerant evaporator
trunk type piston
shaft seals
cogeneration reduces energy costs by...
44. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
creep
air ejectors
critical path method (CPM)
thermocouple locations in fired heaters
45. The difference between the no- load and full- load speed - expressed as a %
droop
axial compressors
thermal load control
turbocharge
46. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve
compressor valve types
types of reciprocation compressors
aero- derivative turbines
avoid surging
47. 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
coagulant aids
balancing pipe
refrigerant groups
power oil
48. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control
fluid/air cooler
types of turbines
rotary compressor control
dynamic compressor control
49. Non - condensing turbine exhaust steam at...
aerial coolers
'turbine'
Above or at atmospheric pressure
duct burners in HRSG
50. Forced or induced draft
plant thermal effificienies
mechanical draft
baffle pitch
counterflow
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