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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
mechanical governors
air dryer types
electronic overspeed trip
to reduce steam and blade velocities
2. Straight condensing
methods to offset axial thrust
automatic extraction
pressure sensitve governors
Ammonia R-717
3. Center- to- center distance between baffles
cross compound turbine
water boxes
baffle pitch
types of turbines
4. Each shaft needs a thrust bearing
a tandem turbine coupled by flexible couplings
cogeneration reduces energy costs by...
legal requirements of record keeping
oil system components
5. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
aerobic
surging
Ammonia R-717
condenser safety devices
6. Dry surface coolers - no contact convection hx - aka finned tube exchangers
newton's 2nd law
to reduce steam and blade velocities
aerial coolers
bay
7. '3 ports' 1. intake and exhaust 2. compression and ignititon
refrigerant evaporator
2 stroke internal combustion
plant thermal effificienies
refrigeration system charging
8. 1. lubricate sliding surfaces 2. cool bearings
salometer
refrigerant groups
convergent nozzles
lube oil system basic functions
9. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control
ejector condenser
rotary compressor control
R-22
inlet cooling methods - evaporative
10. 1. contact - 'jet' 2. surface
surface condenser
condenser types
hx principles
methods to detect cooling water leaks
11. The change in sped that resutls from an increase in load
mechanical drive turbine
speed droop
regulation compressor systems
newton's 2nd law
12. Pressure drops across the moving blades
when impulse turbine pressure drops
'turbine'
what large rotors are made of
distinguishing reaction turbine
13. A concentrated solution at its critical point
ISO 9000 certified
4 stroke internal combustion
eutectic solution
dual shaft combined cycle cogeneration
14. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
crossflow
critical pressure
tandem compound turbines
purpose of a wet receiver
15. Contains 0.5kg of moisture for every 28 cubic meter of air
starters transmit power to front end of gas turbnine by...
creep
waste water treatment purpose
saturated air
16. 0.577 times the inlet pressure
condenser safety devices
refrigeration system charging
a tandem turbine coupled by flexible couplings
critical pressure
17. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
close cycle disadvantages
BOD (biological oxygen demand)
air take 'pulse cleaing systems'
crossflow
18. Have advantage of high efficiencies - 10% greater than centrifugal compressors
typical temperature for outlet on oil coolers
axial air compressors
solid injection designs
purpose of a wet receiver
19. Equal and opposite reation
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20. Cannot go below -18
aerobic
newton's 2nd law
two stage refrigeration system
sodium chloride
21. 1. individual pump system 2. distributor system 3. common rail system
extraction governor
velocity compounding
refrigeration system charging
solid injection designs
22. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
double- flow in reaction turbines
centrifugal air compressor disadvantages
surface condenser
closed cycle advantages
23. Air drawn from atmosphere - working fluid
refrigerant evaporator
open cycle
project management
double pipe hx
24. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
mechanical governors
velocity compounding
headworks
jet condensers
25. Overall master plan - comprehensive program
gantt chart
dummy pistons
bay
selective catalytic reduction (SCR)
26. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy
critical path method (CPM)
automatic extraction
First stage of gas turbine nozzles made of...
coagulant aids
27. 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
electronic overspeed trip
anaerobic digesters
water/oil separator
closed cycle advantages
28. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
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29. Velocity increases as passes through nozzles
when impulse turbine pressure drops
open cycle
close cycle disadvantages
reaction turbine
30. Seperately forged discs or wheels and shrunk onto shaft
staging
types of reboilers
two stage refrigeration system
disc rotors
31. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
extraction governor
thrust adjsusting gear
air ejectors
avoid surging
32. Requires annual review of SOPs
intercoolers
ISO 9000 certified
feature of impulse turbine
single point fuel injection
33. 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
marco cogeneration advantages
gas turbine blades should be replaced every
distinguishing reaction turbine
water boxes
34. Centrifugal pumps
duct burners in HRSG
extraction pumps usually are _____ type
reaction turbines use ____ bearings
isochronous governing
35. Controlled pressure from intermediate stages of turbine
distinguishing reaction turbine
extraction governor
axial compressors
purpose of a wet receiver
36. At high temperatures a material stretches
creep
inlet modulating valve advantages
R-22
types of gas turbines
37. Use of a rotary lobe air blower
'bottoming cycle'
components of PM program
supercharge
non - condensables
38. 1. Aero- derivate 2. Heavy duty
waste water treatment purpose
bank
dynamic compressor control
types of gas turbines
39. 1. spray 2. fog 3. special evaporator pads
2 major factos affecting gas turbine efficiency and power
aerial coolers
newton's 2nd law
inlet cooling methods - evaporative
40. Change in momentum
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41. Results in pressure drop and increased velocity
bakpressure turbines
salometer
counterflow
steam expanding through stationary nozzles
42. Entire collection of all component
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43. 1. Split 2. double
R-12
surface condenser
project management
turbine casings
44. Radiator type
cogeneration application areas
higher compression ratios needed at...
fluid/air cooler
centrifugal air compressors advantages
45. Results in a gain in velocity - the moving blades change direction producing force
impulse buckets
regulation compressor systems
pressure drop across first row of reation turbine
gas turbine blades should be replaced every
46. Wrist pins that connect pistons to rod - retained bu circlips
turbocharge
gudgeon pins
components of PM program
convergent- divergent
47. Cause high discharge pressures - more power requirements - reduces capacity
dual shaft combined cycle cogeneration
oil free compressors
non - condensables
compressor displacement
48. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
surging
hx principles
purpose of a wet receiver
condenser tube attachment methods
49. Reduces steam pressure and velocity in two or more steps
combined cycle cogeneration
water boxes
pressure- velocity compounding
ammonia compression cycle low side
50. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
R-22
base load
counterflow
legal requirements of record keeping