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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. Split 2. double
turbine casings
convergent nozzles
staging
biological removal of solids
2. Waste heat only
impulse buckets
3 speed sensitive governors
refrigerant groups
unfired
3. Needs to a high vacuum present in system before charging
refrigeration system charging
gantt chart
types of fired heaters
air cooling advantages over water cooling
4. 43-49 degrees C
typical temperature for outlet on oil coolers
aerial coolers
types of reciprocation compressors
droop
5. Overall master plan - comprehensive program
air leaks in condensers
marco cogeneration advantages
gantt chart
compressor valve types
6. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
aerial coolers
types of turbines
types of refrigerant evaporators
gas turbine disadvantages
7. Results in pressure drop and increased velocity
when impulse turbine pressure drops
steam expanding through stationary nozzles
what large rotors are made of
compression ratio
8. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
compression ratio
fluid/air cooler
surface condenser
thrust adjsusting gear
9. 1. control range of 0 to 100% load 2. energy efficient
air take 'pulse cleaing systems'
camshaft is the link between
inlet modulating valve advantages
gas turbine blades should be replaced every
10. Contains dissolved oxygen
single shaft combine cycle cogeneration
oil system components
aerobic
reaction turbines use ____ bearings
11. As prime movers in pulp and paper industry
non - condensing turbines used
tangs
Pressure below atmospheric
intercoolers
12. Admirally brass or Munte metal - 25-40mm thick
primary cogeneration output
thermal load control
purpose of a wet receiver
condenser tube sheets made of...
13. 1. verticle cyclinder 2. cabin heater 3. central tube wall
types of fired heaters
condenser safety devices
gas turbine disadvantages
plant thermal effificienies
14. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
Piezometer wells
feature of impulse turbine
types of reboilers
staging
15. Equal and opposite reation
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16. The crankshaft and valve train
newton's 3rd law of motion
Prevent thermal stresses
camshaft is the link between
thermocouple locations in fired heaters
17. The difference between the no- load and full- load speed - expressed as a %
pressure sensitve governors
close cycle disadvantages
higher compression ratios needed at...
droop
18. Working fluid is compress then preheated in regenerator
2 stroke internal combustion
unit
close cycle
combined cycle cogeneration
19. Throttle body
single point fuel injection
reaction blading
closed cycle advantages
special aspects of reaction turbine
20. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing
headworks
purpose of compressor lubrication
pressure sensitve governors
refrigeration safety controls
21. Polymers (polyelectrolytes)
crosshead
coagulant aids
environmental management program
newton's 2nd law
22. Quantity ofr compressed air and delivered air by the compressor
capacity
thermal load control
electronic overspeed trip
automatic extraction
23. 1. intake 2. compression 3. power 4. exhaust
gas turbine disadvantages
axial compressors
a tandem turbine coupled by flexible couplings
4 stroke internal combustion
24. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers
speed droop
gas turbine blades should be replaced every
rotary compressor control
difference between diesel and gas engines
25. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
mechanical governors
R-134a
types of turbines
'turbine'
26. Wrist pins that connect pistons to rod - retained bu circlips
gudgeon pins
ejector condenser
secondary cogeneration output
mechanical drive turbine
27. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
refrigerant groups
automatic extraction
velocity compounding
scavenging
28. The volum swept out by the piston - same through all stages
ammonia compression cycle high side components
primary cogeneration output
compressor displacement
single point fuel injection
29. 1. evaporator coil
Above or at atmospheric pressure
eutectic solution
methods to detect cooling water leaks
ammonia compression cycle low side
30. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs
inlet cooling methods - evaporative
air cooling advantages over water cooling
avoid surging
close cycle disadvantages
31. Direct prosses applications - absorption refrigeration - heat recovery boiler
turbocharge
condenser safety devices
secondary cogeneration output
anaerobic digesters
32. The space wherein the liquid refrigerant absorbs heat and boils
refrigerant evaporator
extraction governor
'bottoming cycle'
scavenging
33. Cool compressed air before point of use
staging
aftercoolers
condenser tube attachment methods
eutectic solution
34. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
fluid/air cooler
inlet cooling methods - evaporative
thermocouple locations in fired heaters
gas turbine blades should be replaced every
35. Ground water monitoring device
tangs
brine
air ejectors
Piezometer wells
36. 75 -000 to 100 -00 hours of operation
gas turbine blades should be replaced every
cogeneration application areas
natural draft cooling tower
two stage refrigeration system
37. 1. can - annular 2. annular 3. single- can
adv of impulse turbine
downflow condenser
3 types of gas turbine combustors
combined cycle cogeneration
38. Most widely used - least amount of steam
solid injection designs
bakpressure turbines
condenser types
single flow turbines
39. Simple generator - light - no battery - hotter spark at higher speeds
primary cogeneration output
3 types of communication
types of reciprocation compressors
magneto ignition
40. Is the ratio of the discharge pressure to the intake pressure absolute
compression ratio
inlet modulating valve advantages
anoxic
hx principles
41. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
mechanical overspeed trip
hx principles
to reduce steam and blade velocities
expansion valve
42. The utilization of one form of input energy to generate two or more forms of output energy
cogeneration
lube oil system basic functions
2 major factos affecting gas turbine efficiency and power
gas turbine efficiencies based on...
43. Condensing turbines exhaust steam at...
gas turbine efficiencies based on...
moisture separator
Pressure below atmospheric
government regualtions for waste water
44. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
sprial valve
baffle pitch
3 types of communication
magneto ignition
45. Discharge steam when excessive backpressure exists
axial air compressors
sentinel vales
gas turbine advantages
closed cycle advantages
46. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
single shaft combine cycle cogeneration
3 types of communication
components of PM program
refrigeration safety controls
47. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
'turbine'
adv of impulse turbine
automatic extraction
plant thermal effificienies
48. A thrust block that enables the axial position of the rotor to be controlled
natural draft cooling tower
intercoolers
dual shaft combined cycle cogeneration
thrust adjsusting gear
49. 1. activated sludge and primary sludge combined 2. heated to 37C 3. sits for 25 days 4. anaerobic bacteria breaks down organic contents 5. produces useable gases for waste heat
compressor displacement
mechanical drive turbine
anaerobic digesters
methods to offset axial thrust
50. The change in sped that resutls from an increase in load
eutectic solution
ammonia compression cycle low side
natural draft cooling tower
speed droop