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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. Requires annual review of SOPs
ISO 9000 certified
gas turbine disadvantages
trunk type piston
diesel engines aka
2. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
types of gas turbines
refrigerant evaporator
moisture separator
duct burners in HRSG
3. Recuperative category - high pressure
3 speed sensitive governors
double pipe hx
eutectic solution
First stage of gas turbine nozzles made of...
4. Monel metal - high tensile strength - nickel copper alloy
pressure- velocity compounding
regulation compressor systems
cogeneration reduces energy costs by...
nozzels made of...
5. Refers only to specificly to the turbine section
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6. Use antifriction bearings
aero- derivative turbines
waste water treatment purpose
methods to offset axial thrust
cross compound turbine
7. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
R-134a
cogeneration
to reduce steam and blade velocities
pressure sensitve governors
8. 'huff and puff' methods
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9. 1. large volumes of air 2. simple and rugged 3. low maintenance
centrifugal air compressors advantages
surging
inlet air unloader advantages
convergent nozzles
10. Equal and opposite reation
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11. 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
moisture separator
waste water treatment plant components
power oil
convergent- divergent
12. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
mechanical drive turbine
compressor displacement
gas turbine disadvantages
bay
13. Unit produces electricity on an ongoing basis
methods to detect cooling water leaks
base load
rotary compressor types
adv of impulse turbine
14. 1. sliding vane 2. rotary lobe 3. rotary screw ( convex male lobes - pulse free)
rotary compressor types
double pipe hx
staging
pressure drop across first row of reation turbine
15. 1. written 2. spoken 3. visual
3 types of communication
heat exchanger materials
salometer
critical path method (CPM)
16. Cooling of air between stages - condense below atmospheric temperature removing moisture - not primary function
intercoolers
'gas turbine'
R-22
newton's 3rd law of motion
17. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
moisture separator
downflow condenser
tangs
3 speed sensitive governors
18. Center- to- center distance between baffles
baffle pitch
air leaks in condensers
condenser tube sheets made of...
purpose of a wet receiver
19. 1. brass 2. copper 3. cupronickel
heat exchanger materials
servo motor
3 types of gas turbine combustors
types of gas turbines
20. Wrist pins that connect pistons to rod - retained bu circlips
air cooling advantages over water cooling
gas turbine operating principles
legal requirements of record keeping
gudgeon pins
21. Needs to a high vacuum present in system before charging
barring gears prevent
scavenging
2 major factos affecting gas turbine efficiency and power
refrigeration system charging
22. Removal of exhaust gases by blow air through
dry low NOx combustion systems
a tandem turbine coupled by flexible couplings
scavenging
salometer
23. Results in pressure drop and increased velocity
headworks
gas turbine operating principles
methods to detect cooling water leaks
steam expanding through stationary nozzles
24. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
air ejectors
types of reboilers
special aspects of reaction turbine
cogeneration
25. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily
suction line unloading valve advantages
cogeneration reduces energy costs by...
ammonia compression cycle high side components
plant thermal effificienies
26. Moisture removed by centrifugal force
pressure sensitve governors
moisture separator
tandem compound turbines
reaction blading
27. The crankshaft and valve train
aftercoolers
clean turbine blading with
types of gas turbines
camshaft is the link between
28. Working fluid is compress then preheated in regenerator
BOD (biological oxygen demand)
reaction turbine
thermocouple locations in fired heaters
close cycle
29. Rows of stationart baldes with alternating rows of moving blades
magneto ignition
hairpin hx
reaction turbine components
combined cycle cogeneration
30. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations
selective catalytic reduction (SCR)
mirco cogeneration advantages
condenser tube sheets made of...
'gas turbine'
31. 'booster' compressor
air leak tolerated in condenser up to...
surface condenser
government regualtions for waste water
two stage refrigeration system
32. Compression ignititon engines
extraction governor
diesel engines aka
extraction pumps usually are _____ type
refrigerant evaporator
33. Refers to the production of power during overload demands
cogeneration application areas
axial air compressors
nozzels made of...
peak power
34. Used on large turbines to supply lower part of the bearing with oil to prevent metal to metal contact
base load
jacking oil system
double- flow in reaction turbines
unit
35. KW at 15C standard at sealevel with 60% RH
higher compression ratios needed at...
feature of impulse turbine
expansion valve
gas turbine efficiencies based on...
36. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust
magneto ignition
turbine casings
special aspects of reaction turbine
jet condensers
37. Forced or induced draft
clean turbine blading with
starters transmit power to front end of gas turbnine by...
mechanical draft
dual shaft combined cycle cogeneration
38. As prime movers in pulp and paper industry
fluid/air cooler
non - condensing turbines used
types of turbines
jet condensers
39. 1. Aero- derivate 2. Heavy duty
air leaks in condensers
types of gas turbines
special aspects of reaction turbine
speed droop
40. 1. CCME 2. CEQG 3. CWQG 4. US EPA
staging
aerial coolers
tangs
government regualtions for waste water
41. Small pressure drop
air leaks in condensers
convergent nozzles
what large rotors are made of
coalescing filters
42. Same principle as a turbine but acting in reverse
anaerobic
crossflow
thermal load control
axial compressors
43. Cast with special nickel based alloys - Inconel - Udimet - Waspalloy - Hastelloy
biological removal of solids
First stage of gas turbine nozzles made of...
a tandem turbine coupled by flexible couplings
heat exchanger materials
44. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
environmental management program
liquid line aka
'gas turbine'
'bottoming cycle'
45. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor
surging
downflow condenser
bakpressure turbines
types of turbines
46. Direct prosses applications - absorption refrigeration - heat recovery boiler
secondary cogeneration output
R-12
selective catalytic reduction (SCR)
aftercoolers
47. Driving rotating equipment
axial air compressors
primary cogeneration output
bakpressure turbines
thrust adjsusting gear
48. Controlled pressure from intermediate stages of turbine
distinguishing reaction turbine
extraction governor
electronic overspeed trip
crossflow
49. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs
air dryers
close cycle disadvantages
Axial thrust
a tandem turbine coupled by flexible couplings
50. 1. high power to weight ration 2. use of different liquids and gaseous fuels 3. start rapidly 4. simple and compact design 5. reliable 6. remote operation
gas turbine advantages
shaft seals
lube oil system basic functions
nozzles types