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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. Controlled pressure from intermediate stages of turbine
heat exchanger materials
intercoolers
dynamic compressor control
extraction governor
2. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell
jet condensers
a tandem turbine coupled by flexible couplings
types of gas turbines
combined cycle cogeneration
3. Use of a rotary lobe air blower
supercharge
ISO 9000 certified
non - condensing turbines used
air cooling advantages over water cooling
4. Ground water monitoring device
inlet modulating valve advantages
Piezometer wells
intercoolers
hairpin hx
5. Velocity increases as passes through nozzles
R-134a
when impulse turbine pressure drops
plant thermal effificienies
cross compound turbine
6. 1. backpressure 2. condensate levels 3. contanimation 4. vacuum pay- off relays (10 to 40kPa) 5. vacuum trip relays (50kPa)
condenser safety devices
inlet air unloader advantages
natural draft cooling tower
velocity compounding
7. 1. simple design 2. less piping 3. no freezing hazard
starters transmit power to front end of gas turbnine by...
mechanical draft
types of reboilers
air cooling advantages over water cooling
8. Each shaft needs a thrust bearing
oil system components
a tandem turbine coupled by flexible couplings
turbocharge
ejector condenser
9. 43-49 degrees C
typical temperature for outlet on oil coolers
adv of impulse turbine
gantt chart
bank
10. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
pressure compounding
single shaft combine cycle cogeneration
anoxic
R-12
11. Radiator type
difference between diesel and gas engines
selective catalytic reduction (SCR)
fluid/air cooler
double- flow in reaction turbines
12. One or more tube bundles - in one or more bays for an individual service or process
air cooling advantages over water cooling
dry low NOx combustion systems
unit
pressure- velocity compounding
13. Center- to- center distance between baffles
salometer
baffle pitch
types of reciprocation compressors
compression ratio
14. 1. Carbon ring 2. labyrinth seal 3. water seal
mechanical overspeed trip
brine
convergent- divergent
shaft seals
15. Nickel steel - strong fully balanced rotor - expensive
cogeneration application areas
extraction pumps usually are _____ type
axial compressors
what large rotors are made of
16. Direct prosses applications - absorption refrigeration - heat recovery boiler
secondary cogeneration output
non - condensing turbines used
convergent nozzles
First stage of gas turbine nozzles made of...
17. 1. evaporator coil
ammonia compression cycle low side
non - condensing turbines used
jet condensers
3 types of communication
18. Refers to the production of power during overload demands
regulation compressor systems
peak power
primary cogeneration output
close cycle disadvantages
19. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing
baffle pitch
types of turbines
condenser tube attachment methods
reaction turbines use ____ bearings
20. 1. can - annular 2. annular 3. single- can
First stage of gas turbine nozzles made of...
3 types of gas turbine combustors
condenser tube sheets made of...
government regualtions for waste water
21. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
types of reboilers
hairpin hx
government regualtions for waste water
aerial coolers
22. Cannot go below -18
sodium chloride
waste water treatment purpose
anaerobic digesters
staging
23. Same principle as a turbine but acting in reverse
feature of impulse turbine
Axial thrust
axial compressors
starters transmit power to front end of gas turbnine by...
24. 1. lubricate sliding surfaces 2. cool bearings
gas turbine operating principles
refrigeration system charging
lube oil system basic functions
types of reciprocation compressors
25. Overall master plan - comprehensive program
gas turbine efficiencies based on...
gantt chart
downflow condenser
difference between diesel and gas engines
26. Cause high discharge pressures - more power requirements - reduces capacity
rotary compressor control
non - condensables
turbine casings
reaction blading
27. 1. convergent 2. convergent- divergent
critical path method (CPM)
refrigeration system charging
nozzles types
extraction governor
28. Monel metal - high tensile strength - nickel copper alloy
close cycle disadvantages
compressor displacement
distinguishing reaction turbine
nozzels made of...
29. A thrust block that enables the axial position of the rotor to be controlled
coalescing filters
dynamic compressor control
double- flow in reaction turbines
thrust adjsusting gear
30. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
R-22
open cycle
centrifugal air compressor disadvantages
air ejectors
31. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
cogeneration application areas
angstrom particles
balancing pipe
components of PM program
32. Quantity ofr compressed air and delivered air by the compressor
tangs
surface condenser
capacity
unfired
33. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy
First stage of gas turbine nozzles made of...
single shaft combine cycle cogeneration
counterflow
nozzels made of...
34. King valve
First stage of gas turbine nozzles made of...
liquid line aka
magneto ignition
coalescing filters
35. The crankshaft and valve train
camshaft is the link between
pressure drop across first row of reation turbine
supercharge
types of fired heaters
36. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently
double flow turbines
critical path method (CPM)
speed droop
'gas turbine'
37. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
refrigeration safety controls
inlet modulating valve advantages
types of refrigerant evaporators
crosshead
38. Change in momentum
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39. Moisture removed by centrifugal force
moisture separator
avoid surging
reaction turbines use ____ bearings
4 stroke internal combustion
40. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing
purpose of compressor lubrication
natural draft cooling tower
counterflow
diesel engines aka
41. Cool compressed air before point of use
biological removal of solids
air cooling advantages over water cooling
selective catalytic reduction (SCR)
aftercoolers
42. 1. contact - 'jet' 2. surface
a tandem turbine coupled by flexible couplings
condenser types
aerial coolers
inlet cooling methods - evaporative
43. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
bay
electronic overspeed trip
turbocharge
anaerobic digesters
44. Air flow is upward
intercoolers
heat exchanger materials
capacity
counterflow
45. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
purpose of a wet receiver
close cycle disadvantages
bakpressure turbines
air dryers
46. 1. electricial purity 2. silver nitrate - milky white
methods to detect cooling water leaks
secondary cogeneration output
inlet cooling methods - evaporative
downflow condenser
47. Forced or induced draft
air dryer types
mechanical draft
largest hx in a plant is...
moisture separator
48. 1. Responsive to speed changes 2. responsive to pressurre changes
govrenors classes
types of turbines
air dryers
oil free compressors
49. Made of steel - used for double acting pistons - acts as a piston rod
eutectic solution
cogeneration
cross compound turbine
crosshead
50. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices
peak power
oil system components
newton's 3rd law of motion
mechanical governors