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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. One or more tube bundles - in one or more bays for an individual service or process
thermocouple locations in fired heaters
'topping cycle'
unit
oil free compressors
2. King valve
crossflow
starters transmit power to front end of gas turbnine by...
liquid line aka
dummy pistons
3. Higher power and speeds
rotary compressor types
close cycle
extraction governor
double flow turbines
4. Hydraulic cylinder or pisston on a governor
air dryer types
servo motor
double- flow in reaction turbines
close cycle
5. Equal and opposite reation
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6. zeolite molecular sieve desiccant
components of PM program
air dryers
plant thermal effificienies
to reduce steam and blade velocities
7. 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
closed cycle advantages
non - condensing turbines used
'topping cycle'
8. Very high speed with extremely high centrigufal force and high frictional losses
marco cogeneration advantages
inlet modulating valve advantages
impulse turbine disadvantage
staging
9. Cannot go below -18
thrust adjsusting gear
sealing strips made of...
sodium chloride
newton's 3rd law of motion
10. DLN - reduce NOx down to 9ppm but have an increased combustion area
aerial coolers
dry low NOx combustion systems
bank
gas turbine advantages
11. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
bay
centrifugal air compressors advantages
thrust adjsusting gear
staging
12. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
reaction blading
coalescing filters
barring gears prevent
reaction turbine
13. Pressure drops across the moving blades
legal requirements of record keeping
condenser tube attachment methods
distinguishing reaction turbine
peak power
14. Does not contain dissolved oxygen
anaerobic
legal requirements of record keeping
sodium chloride
liquid line aka
15. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
newton's 3rd law of motion
velocity compounding
axial compressors
government regualtions for waste water
16. No dissolved oxygen but does contain nitrates
anoxic
typical temperature for outlet on oil coolers
air cooling advantages over water cooling
purpose of compressor lubrication
17. Straight condensing
supercharge
air ejectors
automatic extraction
balancing pipe
18. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
types of turbines
mechanical overspeed trip
bay
inlet cooling methods - evaporative
19. The space wherein the liquid refrigerant absorbs heat and boils
refrigerant evaporator
non - condensing turbines used
surging
base load
20. 1. planning 2. implementation 3. review
impulse force
solid injection designs
steam expanding through stationary nozzles
project management
21. 1. Responsive to speed changes 2. responsive to pressurre changes
govrenors classes
when impulse turbine pressure drops
dual shaft combined cycle cogeneration
types of turbines
22. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
gas turbine blades should be replaced every
regulation compressor systems
4 stroke internal combustion
surface condenser
23. Ground water monitoring device
regulation compressor systems
4 stroke internal combustion
air dryer types
Piezometer wells
24. The difference between the no- load and full- load speed - expressed as a %
trunk type piston
'turbine'
aerobic
droop
25. Up to 60-90%
cogeneration reduces energy costs by...
centrifugal air compressors advantages
special aspects of reaction turbine
hx principles
26. The volum swept out by the piston - same through all stages
electronic overspeed trip
extraction governor
pressure- velocity compounding
compressor displacement
27. To remove and properly dispose of pollutants
waste water treatment purpose
gas turbine disadvantages
mirco cogeneration advantages
3 speed sensitive governors
28. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
refrigeration safety controls
newton's 2nd law
staging
thermal load control
29. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
Piezometer wells
clean turbine blading with
creep
3 types of communication
30. 1. Split 2. double
extraction pumps usually are _____ type
base load
dry low NOx combustion systems
turbine casings
31. The crankshaft and valve train
close cycle disadvantages
centrifugal air compressor disadvantages
aerobic
camshaft is the link between
32. Working fluid is compress then preheated in regenerator
suction line unloading valve advantages
brine
R-22
close cycle
33. Used on large turbines to supply lower part of the bearing with oil to prevent metal to metal contact
types of gas turbines
jacking oil system
newton's 2nd law
sentinel vales
34. Removal of exhaust gases by blow air through
capacity
purpose of dry receiver
scavenging
dual shaft combined cycle cogeneration
35. Contains dissolved oxygen
sodium chloride
anoxic
cogeneration application areas
aerobic
36. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
duct burners in HRSG
R-22
power oil
pressure sensitve governors
37. Non - condensing turbine exhaust steam at...
types of reboilers
impulse force
Above or at atmospheric pressure
unit
38. 1. use clean burning fuels 2. less fuel being used - saving energy reserves 3. electrical production onsite lowers construction demands for new sites and reduces transmission line power losses
impulse turbine disadvantage
marco cogeneration advantages
reaction turbine components
3 types of gas turbine combustors
39. Centrifugal pumps
extraction pumps usually are _____ type
headworks
unfired
pressure compounding
40. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants
jet condensers
cogeneration application areas
jacking oil system
clean turbine blading with
41. Moisture removed by centrifugal force
inlet air unloader advantages
moisture separator
water boxes
convergent nozzles
42. Atmospheric or hyperbolic
methods to detect cooling water leaks
combined cycle cogeneration
natural draft cooling tower
secondary cogeneration output
43. Forced or induced draft
non - condensables
expansion valve
cogeneration application areas
mechanical draft
44. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor
surging
dummy pistons
intercoolers
First stage of gas turbine nozzles made of...
45. Center- to- center distance between baffles
baffle pitch
air leaks in condensers
pressure compounding
inlet modulating valve advantages
46. 1. backpressure 2. condensate levels 3. contanimation 4. vacuum pay- off relays (10 to 40kPa) 5. vacuum trip relays (50kPa)
waste water treatment plant components
double- flow in reaction turbines
thermocouple locations in fired heaters
condenser safety devices
47. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
expansion valve
difference between diesel and gas engines
legal requirements of record keeping
condenser tube sheets made of...
48. 1. individual pump system 2. distributor system 3. common rail system
solid injection designs
air leak tolerated in condenser up to...
ammonia compression cycle low side
two stage refrigeration system
49. KW at 15C standard at sealevel with 60% RH
condenser types
axial compressors
aerobic
gas turbine efficiencies based on...
50. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
thermal load control
expansion valve
types of reciprocation compressors
Axial thrust