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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. Cannot go below -18
sodium chloride
solid injection designs
gudgeon pins
difference between diesel and gas engines
2. 1. individual pump system 2. distributor system 3. common rail system
solid injection designs
gas turbine disadvantages
non - condensables
bank
3. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
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4. An 'overrunning' clutch
starters transmit power to front end of gas turbnine by...
air leaks in condensers
distinguishing reaction turbine
supercharge
5. 1. compressor discharge 2. condenser 3. liquid receiver
hunting
refrigeration system charging
ammonia compression cycle high side components
cogeneration application areas
6. 43-49 degrees C
gantt chart
typical temperature for outlet on oil coolers
unit
mechanical draft
7. More rounded than impulse blading
rotary compressor control
mechanical draft
reaction blading
types of gas turbines
8. Center- to- center distance between baffles
clean turbine blading with
baffle pitch
anaerobic digesters
aerial coolers
9. Throttle body
closed cycle advantages
single point fuel injection
centrifugal air compressors advantages
R-12
10. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices
anaerobic
gas turbine disadvantages
fluid/air cooler
oil system components
11. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
Ammonia R-717
axial compressors
rotary compressor types
waste water treatment plant components
12. '3 ports' 1. intake and exhaust 2. compression and ignititon
velocity compounding
2 stroke internal combustion
ejector condenser
higher compression ratios needed at...
13. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8
condenser tube sheets made of...
turbine casings
R-12
reaction turbine
14. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
liquid line aka
what large rotors are made of
tangs
inlet cooling methods - evaporative
15. Ground water monitoring device
velocity compounding
selective catalytic reduction (SCR)
Piezometer wells
cogeneration reduces energy costs by...
16. Straight condensing
legal requirements of record keeping
aerial coolers
scavenging
automatic extraction
17. 75 -000 to 100 -00 hours of operation
2 major factos affecting gas turbine efficiency and power
gas turbine blades should be replaced every
inlet cooling methods - evaporative
primary cogeneration output
18. 1. large volumes of air 2. simple and rugged 3. low maintenance
centrifugal air compressors advantages
double pipe hx
angstrom particles
combined cycle cogeneration
19. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
hairpin hx
axial air compressors
fluid/air cooler
pressure sensitve governors
20. A group of one or more bays - including one or more units arranged in a single or continuous structure
bank
turbocharge
droop
lube oil system basic functions
21. Increased efficiency due to decreased frictional losses
water/oil separator
shaft seals
tangs
adv of impulse turbine
22. Calcium chloride and water - -51
brine
plant thermal effificienies
types of gas turbines
adv of impulse turbine
23. 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
starters transmit power to front end of gas turbnine by...
distinguishing reaction turbine
unfired
24. Radiator type
aero- derivative turbines
marco cogeneration advantages
extraction pumps usually are _____ type
fluid/air cooler
25. 1. compression ration across compressor 2. turbine inlet temperature
2 major factos affecting gas turbine efficiency and power
downflow condenser
'topping cycle'
power oil
26. Direct contact type - uses converging nozzles and in moderate vacuum
purpose of a wet receiver
ejector condenser
waste water treatment purpose
moisture separator
27. Higher altitudes
higher compression ratios needed at...
compression ratio
condenser tube sheets made of...
newton's 2nd law
28. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
double- flow in reaction turbines
sprial valve
'turbine'
bakpressure turbines
29. Working fluid is compress then preheated in regenerator
dummy pistons
aerial coolers
sentinel vales
close cycle
30. Moisture removed by centrifugal force
purpose of dry receiver
gas turbine operating principles
moisture separator
electronic overspeed trip
31. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates
types of refrigerant evaporators
lube oil system basic functions
'topping cycle'
purpose of dry receiver
32. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
aerobic
to reduce steam and blade velocities
typical temperature for outlet on oil coolers
unfired
33. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily
R-22
anoxic
sprial valve
suction line unloading valve advantages
34. Sagging and hogging - 20-40rpm
marco cogeneration advantages
barring gears prevent
gas turbine components
thermal load control
35. 1. Split 2. double
reaction blading
types of reboilers
turbine casings
fluid/air cooler
36. Atmospheric or hyperbolic
critical pressure
natural draft cooling tower
droop
regulation compressor systems
37. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
BOD (biological oxygen demand)
inlet cooling methods - evaporative
duct burners in HRSG
air leak tolerated in condenser up to...
38. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
natural draft cooling tower
surface condenser
avoid surging
non - condensing turbines used
39. 1. sliding vane 2. rotary lobe 3. rotary screw ( convex male lobes - pulse free)
to reduce steam and blade velocities
dummy pistons
rotary compressor types
purpose of compressor lubrication
40. 'huff and puff' methods
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41. 1. electricial purity 2. silver nitrate - milky white
magneto ignition
methods to detect cooling water leaks
two stage refrigeration system
4 stroke internal combustion
42. Use of a rotary lobe air blower
turbocharge
marco cogeneration advantages
creep
supercharge
43. The crankshaft and valve train
oil free compressors
balancing pipe
condenser safety devices
camshaft is the link between
44. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
plant thermal effificienies
peak power
intercoolers
hairpin hx
45. The space wherein the liquid refrigerant absorbs heat and boils
air leaks in condensers
refrigerant evaporator
thermocouple locations in fired heaters
2 major factos affecting gas turbine efficiency and power
46. Each shaft needs a thrust bearing
methods to detect cooling water leaks
bank
a tandem turbine coupled by flexible couplings
BOD (biological oxygen demand)
47. Attempting to pick up a load - turbines in parallel
hunting
Piezometer wells
communication structure
critical path method (CPM)
48. 1. lubricate sliding surfaces 2. cool bearings
lube oil system basic functions
regulation compressor systems
ammonia compression cycle high side components
air dryer types
49. To remove and properly dispose of pollutants
4 stroke internal combustion
waste water treatment purpose
single point fuel injection
legal requirements of record keeping
50. 1. CCME 2. CEQG 3. CWQG 4. US EPA
govrenors classes
natural draft cooling tower
government regualtions for waste water
Axial thrust