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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. intake 2. compression 3. power 4. exhaust
liquid line aka
what large rotors are made of
4 stroke internal combustion
open cycle
2. Cannot go below -18
sodium chloride
droop
BOD (biological oxygen demand)
isochronous governing
3. 1. widely used 2. single stage 3. impulse turbine
regulation compressor systems
combined cycle cogeneration
isochronous governing
mechanical drive turbine
4. Large turbines with a generator on each shaft
single flow turbines
typical temperature for outlet on oil coolers
sodium chloride
cross compound turbine
5. The crankshaft and valve train
types of gas turbines
water/oil separator
when impulse turbine pressure drops
camshaft is the link between
6. Used for single acting compressors
power oil
air dryer types
trunk type piston
waste water treatment plant components
7. Large turbines couple together on a single shaft applied to one generator
base load
lube oil system basic functions
tandem compound turbines
aero- derivative turbines
8. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based
R-134a
servo motor
expansion valve
secondary cogeneration output
9. Made of cast iron and support by stay bolts to protect against a vacuum
types of reciprocation compressors
duct burners in HRSG
expansion valve
water boxes
10. Ground water monitoring device
BOD (biological oxygen demand)
critical path method (CPM)
Piezometer wells
air leaks in condensers
11. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
inlet cooling methods - evaporative
anaerobic
bay
inlet air unloader advantages
12. 1. compression ration across compressor 2. turbine inlet temperature
starters transmit power to front end of gas turbnine by...
what large rotors are made of
2 major factos affecting gas turbine efficiency and power
environmental management program
13. 1. Responsive to speed changes 2. responsive to pressurre changes
Piezometer wells
bakpressure turbines
govrenors classes
reaction turbine components
14. 'booster' compressor
compression ratio
gantt chart
two stage refrigeration system
hairpin hx
15. Unit produces electricity on an ongoing basis
biological removal of solids
base load
thrust adjsusting gear
components of PM program
16. Velocity increases as passes through nozzles
Ammonia R-717
when impulse turbine pressure drops
air dryer types
purpose of compressor lubrication
17. Pressure does not drop across the moving blades
nozzles types
typical temperature for outlet on oil coolers
mirco cogeneration advantages
feature of impulse turbine
18. The difference between the no- load and full- load speed - expressed as a %
ammonia compression cycle high side components
water/oil separator
tandem compound turbines
droop
19. Small clearances between discs on shaft to...
Prevent thermal stresses
mirco cogeneration advantages
dual shaft combined cycle cogeneration
velocity compounding
20. 1. Split 2. double
turbine casings
selective catalytic reduction (SCR)
R-22
gas turbine efficiencies based on...
21. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
impulse force
air leaks in condensers
condenser tube attachment methods
isochronous governing
22. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
air take 'pulse cleaing systems'
isochronous governing
environmental management program
3 types of gas turbine combustors
23. Nickel steel - strong fully balanced rotor - expensive
cogeneration
air ejectors
eutectic solution
what large rotors are made of
24. drum rotors on reaction turbines eliminates...
suction line unloading valve advantages
2 stroke internal combustion
purpose of a wet receiver
Axial thrust
25. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
components of PM program
fluid/air cooler
suction line unloading valve advantages
counterflow
26. 1. activated sludge 2. rotating biological contactors 3. trickling filters
biological removal of solids
reaction turbines use ____ bearings
pressure compounding
automatic extraction
27. 1. individual pump system 2. distributor system 3. common rail system
power oil
solid injection designs
marco cogeneration advantages
counterflow
28. Most widely used - least amount of steam
balancing pipe
reduce cavitation in extraction pumps
single flow turbines
condenser safety devices
29. 1. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads
isochronous governing
gas turbine operating principles
centrifugal air compressor disadvantages
4 stroke internal combustion
30. Seperately forged discs or wheels and shrunk onto shaft
mechanical governors
nozzles types
disc rotors
peak power
31. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)
'topping cycle'
open cycle
mirco cogeneration advantages
regulation compressor systems
32. 1. Aero- derivate 2. Heavy duty
downflow condenser
types of gas turbines
gas turbine operating principles
newton's 2nd law
33. Requires annual review of SOPs
duct burners in HRSG
speed droop
ISO 9000 certified
double flow turbines
34. 1. compressor section 2. combustor 3. turbine section
marco cogeneration advantages
bakpressure turbines
gas turbine components
anoxic
35. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control
baffle pitch
dynamic compressor control
compressor valve types
'turbine'
36. Same principle as a turbine but acting in reverse
largest hx in a plant is...
bank
axial compressors
when impulse turbine pressure drops
37. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear
natural draft cooling tower
aerial coolers
methods to offset axial thrust
air dryers
38. Moving blades on a rotor
sprial valve
primary cogeneration output
capacity
impulse buckets
39. 1. simple design 2. less piping 3. no freezing hazard
velocity compounding
compressor displacement
marco cogeneration advantages
air cooling advantages over water cooling
40. '3 ports' 1. intake and exhaust 2. compression and ignititon
coalescing filters
2 stroke internal combustion
heat exchanger materials
gas turbine disadvantages
41. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
duct burners in HRSG
mirco cogeneration advantages
when impulse turbine pressure drops
reaction turbine
42. Wrist pins that connect pistons to rod - retained bu circlips
surging
gudgeon pins
creep
pressure compounding
43. Working fluid is compress then preheated in regenerator
environmental management program
close cycle
govrenors classes
gas turbine operating principles
44. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
special aspects of reaction turbine
non - condensing turbines used
2 major factos affecting gas turbine efficiency and power
plant thermal effificienies
45. Higher power and speeds
double flow turbines
tandem compound turbines
'bottoming cycle'
types of gas turbines
46. 1. electricial purity 2. silver nitrate - milky white
hunting
aerobic
methods to detect cooling water leaks
secondary cogeneration output
47. Overall master plan - comprehensive program
convergent nozzles
gantt chart
bank
refrigeration safety controls
48. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
3 speed sensitive governors
unfired
gas turbine advantages
bank
49. Countries with small grids or specail grid requirements - has a high efficiency at base loads
First stage of gas turbine nozzles made of...
mechanical overspeed trip
dual shaft combined cycle cogeneration
waste water treatment plant components
50. A group of one or more bays - including one or more units arranged in a single or continuous structure
First stage of gas turbine nozzles made of...
expansion valve
ammonia compression cycle low side
bank
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