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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. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
sprial valve
nozzels made of...
purpose of a wet receiver
hunting
2. Either fixed production or varying
thermal load control
double- flow in reaction turbines
dynamic compressor control
dual shaft combined cycle cogeneration
3. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
3 types of communication
tangs
starters transmit power to front end of gas turbnine by...
bay
4. At high temperatures a material stretches
selective catalytic reduction (SCR)
creep
difference between diesel and gas engines
govrenors classes
5. Attempting to pick up a load - turbines in parallel
higher compression ratios needed at...
convergent nozzles
hunting
bank
6. Cool compressed air before point of use
inlet cooling methods - evaporative
what large rotors are made of
aftercoolers
types of refrigerant evaporators
7. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
thermocouple locations in fired heaters
'gas turbine'
moisture separator
velocity compounding
8. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control
refrigerant groups
dynamic compressor control
peak power
refrigeration system charging
9. No dissolved oxygen but does contain nitrates
condenser safety devices
a tandem turbine coupled by flexible couplings
anoxic
ammonia compression cycle high side components
10. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
critical path method (CPM)
refrigeration safety controls
biological removal of solids
aftercoolers
11. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function
intercoolers
centrifugal air compressor disadvantages
4 stroke internal combustion
compression ratio
12. Small pressure drop
primary cogeneration output
intercoolers
newton's 2nd law
convergent nozzles
13. Is the ratio of the discharge pressure to the intake pressure absolute
compression ratio
unit
Piezometer wells
dummy pistons
14. The difference between the no- load and full- load speed - expressed as a %
convergent- divergent
R-134a
plant thermal effificienies
droop
15. Requires annual review of SOPs
ISO 9000 certified
salometer
types of reciprocation compressors
natural draft cooling tower
16. Non - condensing turbine exhaust steam at...
Above or at atmospheric pressure
thrust adjsusting gear
types of fired heaters
gas turbine efficiencies based on...
17. 'huff and puff' methods
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18. Help maintain definite thrust toward exhaust
balancing pipe
cogeneration
capacity
regulation compressor systems
19. Rows of stationart baldes with alternating rows of moving blades
critical pressure
mirco cogeneration advantages
reaction turbine components
gas turbine disadvantages
20. The volum swept out by the piston - same through all stages
close cycle disadvantages
methods to detect cooling water leaks
compressor displacement
air ejectors
21. drum rotors on reaction turbines eliminates...
gas turbine operating principles
environmental management program
velocity compounding
Axial thrust
22. Forced or induced draft
duct burners in HRSG
sodium chloride
mechanical draft
crossflow
23. Dry surface coolers - no contact convection hx - aka finned tube exchangers
unit
cogeneration
types of turbines
aerial coolers
24. Admirally brass or Munte metal - 25-40mm thick
methods to offset axial thrust
methods to detect cooling water leaks
double flow turbines
condenser tube sheets made of...
25. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
communication structure
eutectic solution
thermal load control
single flow turbines
26. 'booster' compressor
oil free compressors
two stage refrigeration system
distinguishing reaction turbine
refrigeration safety controls
27. Monel metal - high tensile strength - nickel copper alloy
diesel engines aka
coagulant aids
nozzels made of...
base load
28. zeolite molecular sieve desiccant
turbine casings
air dryers
condenser tube sheets made of...
3 types of communication
29. 1. individual pump system 2. distributor system 3. common rail system
solid injection designs
surging
sealing strips made of...
eutectic solution
30. Means to come together and form one mass - removes oil and water from air
water boxes
legal requirements of record keeping
coalescing filters
tangs
31. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
gas turbine components
air cooling advantages over water cooling
components of PM program
special aspects of reaction turbine
32. 1. Carbon ring 2. labyrinth seal 3. water seal
ammonia compression cycle low side
close cycle disadvantages
shaft seals
steam expanding through stationary nozzles
33. Simple generator - light - no battery - hotter spark at higher speeds
baffle pitch
sealing strips made of...
methods to detect cooling water leaks
magneto ignition
34. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
tandem compound turbines
staging
inlet air unloader advantages
convergent nozzles
35. 1. Aero- derivate 2. Heavy duty
project management
dynamic compressor control
types of gas turbines
distinguishing reaction turbine
36. Ground water monitoring device
oil system components
Piezometer wells
unit
ejector condenser
37. Contains dissolved oxygen
aerobic
rotary compressor control
supercharge
extraction pumps usually are _____ type
38. Direct prosses applications - absorption refrigeration - heat recovery boiler
disc rotors
secondary cogeneration output
compression ratio
types of turbines
39. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
'bottoming cycle'
mechanical governors
'topping cycle'
salometer
40. Needs to a high vacuum present in system before charging
pressure drop across first row of reation turbine
starters transmit power to front end of gas turbnine by...
oil system components
refrigeration system charging
41. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
types of turbines
selective catalytic reduction (SCR)
gas turbine components
convergent- divergent
42. Small clearances between discs on shaft to...
Prevent thermal stresses
close cycle disadvantages
counterflow
R-22
43. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases
air dryers
convergent- divergent
dynamic compressor control
liquid line aka
44. Up to 60-90%
air leak tolerated in condenser up to...
tangs
typical temperature for outlet on oil coolers
cogeneration reduces energy costs by...
45. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
higher compression ratios needed at...
gantt chart
plant thermal effificienies
eutectic solution
46. Centrifugal pumps
secondary cogeneration output
to reduce steam and blade velocities
extraction pumps usually are _____ type
scavenging
47. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87
sealing strips made of...
R-22
non - condensing turbines used
mechanical overspeed trip
48. '3 ports' 1. intake and exhaust 2. compression and ignititon
2 stroke internal combustion
sodium chloride
jacking oil system
air take 'pulse cleaing systems'
49. Results in pressure drop and increased velocity
to reduce steam and blade velocities
steam expanding through stationary nozzles
project management
components of PM program
50. Increased efficiency due to decreased frictional losses
a tandem turbine coupled by flexible couplings
newton's 2nd law
jet condensers
adv of impulse turbine