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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. widely used 2. single stage 3. impulse turbine
mechanical drive turbine
mirco cogeneration advantages
air ejectors
aerobic
2. Centrifugal pumps
open cycle
gas turbine disadvantages
extraction pumps usually are _____ type
brine
3. The crankshaft and valve train
solid injection designs
single point fuel injection
rotary compressor control
camshaft is the link between
4. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)
gas turbine efficiencies based on...
gas turbine blades should be replaced every
regulation compressor systems
electronic overspeed trip
5. Forced or induced draft
mechanical draft
gantt chart
a tandem turbine coupled by flexible couplings
solid injection designs
6. Made of steel - used for double acting pistons - acts as a piston rod
regulation compressor systems
crosshead
single point fuel injection
special aspects of reaction turbine
7. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
plant thermal effificienies
brine
condenser safety devices
double pipe hx
8. Overall master plan - comprehensive program
servo motor
pressure- velocity compounding
unfired
gantt chart
9. Very high speed with extremely high centrigufal force and high frictional losses
'gas turbine'
impulse turbine disadvantage
air cooling advantages over water cooling
hx principles
10. Sagging and hogging - 20-40rpm
aftercoolers
barring gears prevent
turbocharge
3 types of communication
11. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations
camshaft is the link between
single point fuel injection
cogeneration application areas
mirco cogeneration advantages
12. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
types of reboilers
turbine casings
saturated air
environmental management program
13. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters
unfired
gas turbine blades should be replaced every
centrifugal air compressor disadvantages
moisture separator
14. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
shaft seals
3 types of gas turbine combustors
refrigerant groups
clean turbine blading with
15. Air drawn from atmosphere - working fluid
open cycle
4 stroke internal combustion
natural draft cooling tower
clean turbine blading with
16. 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
double pipe hx
dummy pistons
adv of impulse turbine
17. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
pressure compounding
plant thermal effificienies
legal requirements of record keeping
feature of impulse turbine
18. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
suction line unloading valve advantages
components of PM program
BOD (biological oxygen demand)
expansion valve
19. Air flow is upward
ejector condenser
rotary compressor control
barring gears prevent
counterflow
20. 1. increases net power 2. clean working fluid 3. cheap fuel can be used
closed cycle advantages
barring gears prevent
axial air compressors
mirco cogeneration advantages
21. 1. Condensing 2. non - condensing (backpressure)
Piezometer wells
types of turbines
coagulant aids
critical pressure
22. Throttle body
heat exchanger materials
single point fuel injection
gantt chart
aerobic
23. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
velocity compounding
mechanical overspeed trip
Axial thrust
centrifugal air compressor disadvantages
24. Condensing turbines exhaust steam at...
downflow condenser
pressure- velocity compounding
Pressure below atmospheric
reaction turbine components
25. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8
thermocouple locations in fired heaters
tandem compound turbines
staging
R-12
26. Removal of exhaust gases by blow air through
Above or at atmospheric pressure
compressor valve types
scavenging
pressure- velocity compounding
27. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
Ammonia R-717
thermal load control
aftercoolers
3 types of communication
28. Requires annual review of SOPs
ISO 9000 certified
3 speed sensitive governors
brine
to reduce steam and blade velocities
29. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices
oil system components
mechanical overspeed trip
velocity compounding
purpose of compressor lubrication
30. To remove and properly dispose of pollutants
government regualtions for waste water
pressure compounding
sentinel vales
waste water treatment purpose
31. The condenser
'gas turbine'
gas turbine blades should be replaced every
largest hx in a plant is...
bakpressure turbines
32. Recuperative category - high pressure
capacity
air dryer types
double pipe hx
double flow turbines
33. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
shaft seals
unit
mechanical governors
nozzles types
34. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
sprial valve
trunk type piston
adv of impulse turbine
fluid/air cooler
35. Refers to the production of electricity form two sources utilizing one fuel source
difference between diesel and gas engines
oil free compressors
mirco cogeneration advantages
combined cycle cogeneration
36. KW at 15C standard at sealevel with 60% RH
aero- derivative turbines
jet condensers
gas turbine efficiencies based on...
capacity
37. 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
anaerobic digesters
marco cogeneration advantages
pressure compounding
air cooling advantages over water cooling
38. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control
tangs
condenser safety devices
reaction turbine
rotary compressor control
39. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring
sodium chloride
impulse buckets
closed cycle advantages
expansion valve
40. The change in sped that resutls from an increase in load
inlet cooling methods - evaporative
trunk type piston
coalescing filters
speed droop
41. 1. written 2. spoken 3. visual
avoid surging
ejector condenser
camshaft is the link between
3 types of communication
42. 43-49 degrees C
single point fuel injection
gas turbine advantages
gas turbine components
typical temperature for outlet on oil coolers
43. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration
saturated air
air dryer types
water/oil separator
barring gears prevent
44. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
turbocharge
'bottoming cycle'
surface condenser
hunting
45. zeolite molecular sieve desiccant
sentinel vales
open cycle
air dryers
tangs
46. 1. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads
magneto ignition
scavenging
isochronous governing
air take 'pulse cleaing systems'
47. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based
water/oil separator
R-134a
close cycle disadvantages
centrifugal air compressor disadvantages
48. Cool compressed air before point of use
purpose of a wet receiver
aftercoolers
inlet cooling methods - evaporative
two stage refrigeration system
49. Non - condensing turbine exhaust steam at...
diesel engines aka
Above or at atmospheric pressure
ammonia compression cycle low side
gas turbine blades should be replaced every
50. Dry surface coolers - no contact convection hx - aka finned tube exchangers
tangs
liquid line aka
expansion valve
aerial coolers