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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. Reduces steam pressure and velocity in two or more steps
convergent- divergent
govrenors classes
pressure- velocity compounding
baffle pitch
2. Discharge steam when excessive backpressure exists
non - condensing turbines used
sentinel vales
thermal load control
ammonia compression cycle low side
3. Condensing turbines exhaust steam at...
Pressure below atmospheric
condenser types
thrust adjsusting gear
refrigeration safety controls
4. Most widely used - least amount of steam
anaerobic
distinguishing reaction turbine
single flow turbines
closed cycle advantages
5. 1. compression ration across compressor 2. turbine inlet temperature
2 stroke internal combustion
turbine casings
2 major factos affecting gas turbine efficiency and power
automatic extraction
6. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates
types of refrigerant evaporators
air take 'pulse cleaing systems'
open cycle
close cycle disadvantages
7. Admirally brass or Munte metal - 25-40mm thick
condenser tube sheets made of...
2 major factos affecting gas turbine efficiency and power
plant thermal effificienies
environmental management program
8. 1. simple design 2. less piping 3. no freezing hazard
reaction turbines use ____ bearings
refrigeration safety controls
counterflow
air cooling advantages over water cooling
9. Hydraulic cylinder or pisston on a governor
headworks
servo motor
single shaft combine cycle cogeneration
types of gas turbines
10. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
avoid surging
water/oil separator
government regualtions for waste water
communication structure
11. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
anoxic
aftercoolers
types of reboilers
hairpin hx
12. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure
BOD (biological oxygen demand)
types of turbines
condenser tube attachment methods
scavenging
13. 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
R-22
communication structure
intercoolers
turbocharge
14. Use teflon or carbon to lubricate system
critical pressure
inlet air unloader advantages
sodium chloride
oil free compressors
15. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
project management
condenser tube attachment methods
'gas turbine'
reaction turbine components
16. Throttle body
4 stroke internal combustion
single point fuel injection
heat exchanger materials
anaerobic
17. The condenser
staging
largest hx in a plant is...
pressure drop across first row of reation turbine
when impulse turbine pressure drops
18. Seperately forged discs or wheels and shrunk onto shaft
aero- derivative turbines
duct burners in HRSG
disc rotors
counterflow
19. Pressure does not drop across the moving blades
crossflow
isochronous governing
cogeneration application areas
feature of impulse turbine
20. Air flow is upward
ejector condenser
counterflow
diesel engines aka
eutectic solution
21. Unit produces electricity on an ongoing basis
waste water treatment plant components
base load
shaft seals
servo motor
22. 1. written 2. spoken 3. visual
3 types of communication
clean turbine blading with
axial air compressors
condenser tube attachment methods
23. Compression ignititon engines
diesel engines aka
methods to offset axial thrust
government regualtions for waste water
clean turbine blading with
24. 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
double pipe hx
components of PM program
gas turbine advantages
aerobic
25. Have advantage of high efficiencies - 10% greater than centrifugal compressors
pressure drop across first row of reation turbine
axial air compressors
cogeneration application areas
3 speed sensitive governors
26. 1. brass 2. copper 3. cupronickel
dynamic compressor control
heat exchanger materials
distinguishing reaction turbine
gudgeon pins
27. Change in direction causing a turbine to move
natural draft cooling tower
impulse force
primary cogeneration output
magneto ignition
28. 1. spray 2. fog 3. special evaporator pads
expansion valve
close cycle
purpose of compressor lubrication
inlet cooling methods - evaporative
29. 1. intake 2. compression 3. power 4. exhaust
open cycle
mechanical overspeed trip
gas turbine efficiencies based on...
4 stroke internal combustion
30. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
BOD (biological oxygen demand)
extraction governor
compressor displacement
distinguishing reaction turbine
31. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
reaction turbine
types of gas turbines
reaction turbine components
surface condenser
32. The crankshaft and valve train
camshaft is the link between
condenser tube sheets made of...
unit
ejector condenser
33. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
inlet air unloader advantages
'gas turbine'
sprial valve
reaction turbines use ____ bearings
34. Grit chambers and screens for waster water system
double flow turbines
natural draft cooling tower
Prevent thermal stresses
headworks
35. Eliminates thrust - steam admitted midway along casing
close cycle
starters transmit power to front end of gas turbnine by...
feature of impulse turbine
double- flow in reaction turbines
36. 1. compressor discharge 2. condenser 3. liquid receiver
Ammonia R-717
intercoolers
critical pressure
ammonia compression cycle high side components
37. 1. verticle cyclinder 2. cabin heater 3. central tube wall
types of fired heaters
extraction pumps usually are _____ type
air take 'pulse cleaing systems'
air dryers
38. 1. widely used 2. single stage 3. impulse turbine
mechanical drive turbine
ammonia compression cycle low side
impulse buckets
steam expanding through stationary nozzles
39. Increase pressure affecting performance of condenser but do not incresase temperature
Piezometer wells
types of gas turbines
air leaks in condensers
typical temperature for outlet on oil coolers
40. 1. individual pump system 2. distributor system 3. common rail system
condenser safety devices
solid injection designs
bay
counterflow
41. Equal and opposite reation
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42. 1. Condensing 2. non - condensing (backpressure)
selective catalytic reduction (SCR)
condenser tube sheets made of...
oil system components
types of turbines
43. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust
reduce cavitation in extraction pumps
camshaft is the link between
trunk type piston
special aspects of reaction turbine
44. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
reaction turbine
biological removal of solids
condenser types
headworks
45. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
compressor valve types
mechanical overspeed trip
newton's 3rd law of motion
air take 'pulse cleaing systems'
46. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
methods to offset axial thrust
critical path method (CPM)
marco cogeneration advantages
to reduce steam and blade velocities
47. 1. activated sludge 2. rotating biological contactors 3. trickling filters
biological removal of solids
bay
two stage refrigeration system
communication structure
48. 1. evaporator coil
ammonia compression cycle low side
compression ratio
oil free compressors
natural draft cooling tower
49. Used for single acting compressors
trunk type piston
reaction turbines use ____ bearings
crosshead
anaerobic digesters
50. 5mm in diameter
types of reboilers
automatic extraction
legal requirements of record keeping
air leak tolerated in condenser up to...