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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. King valve
types of turbines
velocity compounding
condenser tube sheets made of...
liquid line aka
2. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
liquid line aka
methods to offset axial thrust
gas turbine disadvantages
'bottoming cycle'
3. 'huff and puff' methods
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4. To remove and properly dispose of pollutants
waste water treatment purpose
sealing strips made of...
automatic extraction
anaerobic digesters
5. The utilization of one form of input energy to generate two or more forms of output energy
aftercoolers
methods to offset axial thrust
cogeneration
ammonia compression cycle high side components
6. Refers to the production of power during overload demands
difference between diesel and gas engines
reaction turbine
condenser types
peak power
7. Change in momentum
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8. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
extraction pumps usually are _____ type
inlet cooling methods - evaporative
staging
air dryer types
9. 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
anaerobic digesters
compressor valve types
shaft seals
single flow turbines
10. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
mechanical draft
impulse buckets
thermocouple locations in fired heaters
higher compression ratios needed at...
11. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell
jet condensers
surface condenser
natural draft cooling tower
speed droop
12. Working fluid is compress then preheated in regenerator
surface condenser
close cycle
power oil
sprial valve
13. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters
dual shaft combined cycle cogeneration
double flow turbines
what large rotors are made of
centrifugal air compressor disadvantages
14. 1. lubricate sliding surfaces 2. cool bearings
reaction turbine components
double flow turbines
lube oil system basic functions
pressure drop across first row of reation turbine
15. Made of steel - used for double acting pistons - acts as a piston rod
sprial valve
pressure drop across first row of reation turbine
cogeneration reduces energy costs by...
crosshead
16. A thrust block that enables the axial position of the rotor to be controlled
components of PM program
reaction turbine components
ammonia compression cycle high side components
thrust adjsusting gear
17. 0.577 times the inlet pressure
air leaks in condensers
types of reboilers
critical pressure
suction line unloading valve advantages
18. A1 - A2 - A3 - B1 - B2 and B3 A = toxicity not identified under 400ppm B = toxicity identified under 400ppm 1 = not flammable 2 = low flammable limit 3 = highly flammable
refrigerant groups
ejector condenser
ammonia compression cycle low side
gas turbine disadvantages
19. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily
extraction pumps usually are _____ type
velocity compounding
close cycle disadvantages
suction line unloading valve advantages
20. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates
aero- derivative turbines
nozzels made of...
types of refrigerant evaporators
cogeneration application areas
21. Rows of stationart baldes with alternating rows of moving blades
newton's 2nd law
purpose of a wet receiver
reaction turbine components
'bottoming cycle'
22. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
tangs
velocity compounding
gas turbine disadvantages
hx principles
23. Moisture removed by centrifugal force
environmental management program
rotary compressor control
moisture separator
capacity
24. Use antifriction bearings
aero- derivative turbines
salometer
rotary compressor control
communication structure
25. 1. widely used 2. single stage 3. impulse turbine
mechanical overspeed trip
mechanical drive turbine
reaction blading
cogeneration reduces energy costs by...
26. 1. Split 2. double
turbine casings
impulse turbine disadvantage
special aspects of reaction turbine
types of fired heaters
27. Higher altitudes
higher compression ratios needed at...
tangs
secondary cogeneration output
sodium chloride
28. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
Above or at atmospheric pressure
govrenors classes
newton's 3rd law of motion
single shaft combine cycle cogeneration
29. Contains 0.5kg of moisture for every 28 cubic meter of air
non - condensables
expansion valve
suction line unloading valve advantages
saturated air
30. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing
purpose of compressor lubrication
methods to offset axial thrust
sprial valve
dry low NOx combustion systems
31. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
air ejectors
inlet cooling methods - evaporative
single point fuel injection
oil system components
32. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
staging
critical path method (CPM)
condenser tube attachment methods
ammonia compression cycle high side components
33. Direct prosses applications - absorption refrigeration - heat recovery boiler
plant thermal effificienies
impulse buckets
secondary cogeneration output
balancing pipe
34. Unit produces electricity on an ongoing basis
what large rotors are made of
double flow turbines
base load
centrifugal air compressors advantages
35. Is the ratio of the discharge pressure to the intake pressure absolute
sealing strips made of...
purpose of compressor lubrication
marco cogeneration advantages
compression ratio
36. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy
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37. On the exhaust side - drives the blower - being connected to the same shaft - increases power by 50-70% as more air is forced into the engine
coalescing filters
turbocharge
types of fired heaters
gantt chart
38. Monel metal - high tensile strength - nickel copper alloy
liquid line aka
nozzels made of...
3 types of communication
extraction governor
39. Equal and opposite reation
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40. 1. intake 2. compression 3. power 4. exhaust
hunting
unfired
air ejectors
4 stroke internal combustion
41. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
clean turbine blading with
aero- derivative turbines
heat exchanger materials
dynamic compressor control
42. Controlled pressure from intermediate stages of turbine
extraction governor
two stage refrigeration system
pressure sensitve governors
unfired
43. Use teflon or carbon to lubricate system
inlet cooling methods - evaporative
oil free compressors
'turbine'
air ejectors
44. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
inlet air unloader advantages
higher compression ratios needed at...
mechanical drive turbine
turbine casings
45. Air flow is upward
double- flow in reaction turbines
counterflow
types of fired heaters
capacity
46. Entire collection of all component
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47. Countries with small grids or specail grid requirements - has a high efficiency at base loads
pressure compounding
a tandem turbine coupled by flexible couplings
isochronous governing
dual shaft combined cycle cogeneration
48. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
peak power
newton's 3rd law of motion
tangs
types of reciprocation compressors
49. 1. brass 2. copper 3. cupronickel
oil free compressors
hairpin hx
heat exchanger materials
mechanical governors
50. 1. spray 2. fog 3. special evaporator pads
inlet cooling methods - evaporative
convergent nozzles
aero- derivative turbines
impulse force