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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. Entire collection of all component
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2. Cause high discharge pressures - more power requirements - reduces capacity
non - condensables
mechanical draft
legal requirements of record keeping
capacity
3. A verticle well is used to increase the NPSH - gives better performance and less cavitation
single point fuel injection
reduce cavitation in extraction pumps
government regualtions for waste water
bank
4. Requires annual review of SOPs
newton's 2nd law
typical temperature for outlet on oil coolers
gudgeon pins
ISO 9000 certified
5. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
air take 'pulse cleaing systems'
air ejectors
crosshead
refrigeration safety controls
6. Air drawn from atmosphere - working fluid
'turbine'
staging
open cycle
single point fuel injection
7. Either fixed production or varying
thermal load control
gas turbine advantages
marco cogeneration advantages
expansion valve
8. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear
reduce cavitation in extraction pumps
primary cogeneration output
brine
methods to offset axial thrust
9. Chrome- iron alloy
sealing strips made of...
'topping cycle'
double pipe hx
creep
10. An 'overrunning' clutch
purpose of a wet receiver
Ammonia R-717
starters transmit power to front end of gas turbnine by...
jacking oil system
11. Servomotors
power oil
dynamic compressor control
baffle pitch
secondary cogeneration output
12. Reduces steam pressure and velocity in two or more steps
pressure- velocity compounding
camshaft is the link between
non - condensables
extraction pumps usually are _____ type
13. One or more tube bundles - in one or more bays for an individual service or process
shaft seals
unit
largest hx in a plant is...
3 types of gas turbine combustors
14. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
Pressure below atmospheric
environmental management program
types of fired heaters
plant thermal effificienies
15. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
reaction turbine
ammonia compression cycle low side
surface condenser
salometer
16. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
selective catalytic reduction (SCR)
air leaks in condensers
aerial coolers
largest hx in a plant is...
17. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
mechanical governors
refrigeration system charging
single point fuel injection
tangs
18. Use antifriction bearings
rotary compressor types
Pressure below atmospheric
aero- derivative turbines
reaction turbine
19. 75 -000 to 100 -00 hours of operation
inlet cooling methods - evaporative
gas turbine blades should be replaced every
'topping cycle'
regulation compressor systems
20. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases
single flow turbines
convergent- divergent
brine
ISO 9000 certified
21. Compression ignititon engines
aftercoolers
nozzels made of...
diesel engines aka
extraction governor
22. Air flow is upward
steam expanding through stationary nozzles
newton's 3rd law of motion
counterflow
convergent- divergent
23. 1. contact - 'jet' 2. surface
mechanical overspeed trip
secondary cogeneration output
unit
condenser types
24. Direct contact type - uses converging nozzles and in moderate vacuum
aerobic
environmental management program
ejector condenser
fluid/air cooler
25. 1. Aero- derivate 2. Heavy duty
gas turbine components
adv of impulse turbine
largest hx in a plant is...
types of gas turbines
26. Center- to- center distance between baffles
inlet cooling methods - evaporative
baffle pitch
mechanical drive turbine
Axial thrust
27. Equal and opposite reation
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28. Means to come together and form one mass - removes oil and water from air
ammonia compression cycle high side components
methods to offset axial thrust
coalescing filters
jet condensers
29. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
axial air compressors
air leak tolerated in condenser up to...
single shaft combine cycle cogeneration
starters transmit power to front end of gas turbnine by...
30. Refers to the production of electricity form two sources utilizing one fuel source
hunting
newton's 3rd law of motion
impulse force
combined cycle cogeneration
31. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
mechanical overspeed trip
components of PM program
baffle pitch
difference between diesel and gas engines
32. Throttle body
single shaft combine cycle cogeneration
components of PM program
velocity compounding
single point fuel injection
33. Forced or induced draft
reduce cavitation in extraction pumps
typical temperature for outlet on oil coolers
extraction governor
mechanical draft
34. 1. plate 2. channel
anaerobic digesters
suction line unloading valve advantages
pressure compounding
compressor valve types
35. Radiator type
fluid/air cooler
BOD (biological oxygen demand)
anaerobic digesters
surging
36. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
Ammonia R-717
cogeneration
scavenging
ammonia compression cycle high side components
37. Velocity increases as passes through nozzles
dual shaft combined cycle cogeneration
isochronous governing
when impulse turbine pressure drops
camshaft is the link between
38. 1. large volumes of air 2. simple and rugged 3. low maintenance
gas turbine operating principles
compression ratio
centrifugal air compressors advantages
starters transmit power to front end of gas turbnine by...
39. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control
mirco cogeneration advantages
speed droop
mechanical overspeed trip
rotary compressor control
40. Control a steady backpressure - sensing element in exhuast line
pressure sensitve governors
lube oil system basic functions
servo motor
Pressure below atmospheric
41. 1. widely used 2. single stage 3. impulse turbine
mechanical drive turbine
gas turbine efficiencies based on...
newton's 2nd law
jet condensers
42. drum rotors on reaction turbines eliminates...
regulation compressor systems
Axial thrust
brine
Pressure below atmospheric
43. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
gas turbine disadvantages
Piezometer wells
moisture separator
inlet cooling methods - evaporative
44. Ground water monitoring device
Piezometer wells
anaerobic digesters
inlet air unloader advantages
reaction turbine
45. Discharge steam when excessive backpressure exists
3 types of gas turbine combustors
water/oil separator
sentinel vales
waste water treatment purpose
46. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing
mechanical overspeed trip
hunting
reaction turbines use ____ bearings
dynamic compressor control
47. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
Axial thrust
avoid surging
3 speed sensitive governors
purpose of dry receiver
48. Countries with small grids or specail grid requirements - has a high efficiency at base loads
condenser tube attachment methods
isochronous governing
shaft seals
dual shaft combined cycle cogeneration
49. Used to satisfy process steam requirements
mechanical draft
components of PM program
R-12
bakpressure turbines
50. Monel metal - high tensile strength - nickel copper alloy
inlet modulating valve advantages
nozzels made of...
camshaft is the link between
intercoolers