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Test your basic knowledge |
Power Engineering 2
Start Test
Study First
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. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
project management
condenser tube sheets made of...
mechanical governors
salometer
2. Used for single acting compressors
inlet air unloader advantages
trunk type piston
natural draft cooling tower
project management
3. 1. large volumes of air 2. simple and rugged 3. low maintenance
axial air compressors
droop
centrifugal air compressors advantages
automatic extraction
4. Refers only to specificly to the turbine section
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5. Driving rotating equipment
primary cogeneration output
creep
condenser tube sheets made of...
unfired
6. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
turbine casings
single flow turbines
refrigeration safety controls
extraction governor
7. 1. contact - 'jet' 2. surface
special aspects of reaction turbine
cogeneration
peak power
condenser types
8. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently
gas turbine efficiencies based on...
3 types of communication
close cycle
critical path method (CPM)
9. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
brine
inlet cooling methods - evaporative
balancing pipe
3 speed sensitive governors
10. Change in direction causing a turbine to move
types of refrigerant evaporators
close cycle disadvantages
single flow turbines
impulse force
11. 1. brass 2. copper 3. cupronickel
sealing strips made of...
largest hx in a plant is...
heat exchanger materials
refrigeration system charging
12. Centrifugal pumps
rotary compressor control
hx principles
extraction pumps usually are _____ type
nozzles types
13. Has steam directed through baffles making 4 passes
downflow condenser
2 stroke internal combustion
axial compressors
camshaft is the link between
14. A concentrated solution at its critical point
inlet cooling methods - evaporative
gudgeon pins
eutectic solution
unit
15. Higher altitudes
government regualtions for waste water
reaction blading
non - condensables
higher compression ratios needed at...
16. Polymers (polyelectrolytes)
legal requirements of record keeping
single point fuel injection
coagulant aids
aftercoolers
17. The space wherein the liquid refrigerant absorbs heat and boils
close cycle
baffle pitch
refrigerant evaporator
3 speed sensitive governors
18. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
sodium chloride
thrust adjsusting gear
sprial valve
electronic overspeed trip
19. Calcium chloride and water - -51
brine
cogeneration reduces energy costs by...
air dryers
newton's 2nd law
20. Sagging and hogging - 20-40rpm
barring gears prevent
critical path method (CPM)
secondary cogeneration output
centrifugal air compressors advantages
21. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear
plant thermal effificienies
condenser types
methods to offset axial thrust
hunting
22. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell
turbine casings
mechanical governors
jet condensers
centrifugal air compressor disadvantages
23. 1. electricial purity 2. silver nitrate - milky white
isochronous governing
methods to detect cooling water leaks
mechanical governors
angstrom particles
24. Unit produces electricity on an ongoing basis
Above or at atmospheric pressure
purpose of dry receiver
downflow condenser
base load
25. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants
compression ratio
plant thermal effificienies
cogeneration application areas
hunting
26. Needs to a high vacuum present in system before charging
refrigeration system charging
purpose of a wet receiver
double pipe hx
R-134a
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
legal requirements of record keeping
waste water treatment purpose
refrigerant groups
inlet modulating valve advantages
28. 'booster' compressor
two stage refrigeration system
adv of impulse turbine
speed droop
single flow turbines
29. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
turbocharge
Prevent thermal stresses
selective catalytic reduction (SCR)
environmental management program
30. Increase pressure affecting performance of condenser but do not incresase temperature
components of PM program
critical path method (CPM)
cogeneration reduces energy costs by...
air leaks in condensers
31. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
mechanical overspeed trip
types of reciprocation compressors
sentinel vales
extraction pumps usually are _____ type
32. Controlled pressure from intermediate stages of turbine
extraction governor
reaction turbines use ____ bearings
3 speed sensitive governors
coalescing filters
33. 1. intake 2. compression 3. power 4. exhaust
4 stroke internal combustion
refrigeration safety controls
government regualtions for waste water
eutectic solution
34. Same principle as a turbine but acting in reverse
axial compressors
inlet cooling methods - evaporative
pressure drop across first row of reation turbine
centrifugal air compressors advantages
35. DLN - reduce NOx down to 9ppm but have an increased combustion area
2 stroke internal combustion
legal requirements of record keeping
bank
dry low NOx combustion systems
36. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
ammonia compression cycle high side components
tangs
thermal load control
centrifugal air compressor disadvantages
37. Means to come together and form one mass - removes oil and water from air
coalescing filters
air cooling advantages over water cooling
bakpressure turbines
R-12
38. 0.577 times the inlet pressure
critical pressure
regulation compressor systems
shaft seals
waste water treatment purpose
39. Atmospheric or hyperbolic
purpose of compressor lubrication
natural draft cooling tower
jet condensers
legal requirements of record keeping
40. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring
feature of impulse turbine
expansion valve
critical path method (CPM)
ISO 9000 certified
41. Equal and opposite reation
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42. Each shaft needs a thrust bearing
oil free compressors
a tandem turbine coupled by flexible couplings
servo motor
aftercoolers
43. Ground water monitoring device
Piezometer wells
power oil
headworks
heat exchanger materials
44. 1. Condensing 2. non - condensing (backpressure)
single shaft combine cycle cogeneration
inlet air unloader advantages
types of turbines
impulse force
45. 1. compression ration across compressor 2. turbine inlet temperature
gas turbine disadvantages
surging
2 major factos affecting gas turbine efficiency and power
rotary compressor control
46. The volum swept out by the piston - same through all stages
isochronous governing
moisture separator
angstrom particles
compressor displacement
47. 1. increases net power 2. clean working fluid 3. cheap fuel can be used
closed cycle advantages
mirco cogeneration advantages
aerial coolers
inlet cooling methods - evaporative
48. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration
air dryer types
surging
impulse buckets
two stage refrigeration system
49. 1. can - annular 2. annular 3. single- can
3 types of gas turbine combustors
centrifugal air compressors advantages
single shaft combine cycle cogeneration
capacity
50. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
legal requirements of record keeping
heat exchanger materials
nozzels made of...
single shaft combine cycle cogeneration