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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. Made of cast iron and support by stay bolts to protect against a vacuum
water boxes
inlet modulating valve advantages
sealing strips made of...
R-134a
2. A verticle well is used to increase the NPSH - gives better performance and less cavitation
shaft seals
types of refrigerant evaporators
refrigerant groups
reduce cavitation in extraction pumps
3. 1. Aero- derivate 2. Heavy duty
air cooling advantages over water cooling
types of gas turbines
Pressure below atmospheric
reaction turbine
4. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
sealing strips made of...
clean turbine blading with
air ejectors
cross compound turbine
5. Seperately forged discs or wheels and shrunk onto shaft
hx principles
disc rotors
close cycle disadvantages
close cycle
6. The utilization of one form of input energy to generate two or more forms of output energy
cogeneration
single shaft combine cycle cogeneration
reduce cavitation in extraction pumps
sentinel vales
7. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
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8. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers
closed cycle advantages
reaction blading
govrenors classes
difference between diesel and gas engines
9. Used to satisfy process steam requirements
plant thermal effificienies
critical path method (CPM)
diesel engines aka
bakpressure turbines
10. Needs to a high vacuum present in system before charging
power oil
impulse force
methods to offset axial thrust
refrigeration system charging
11. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
bay
brine
staging
sealing strips made of...
12. '3 ports' 1. intake and exhaust 2. compression and ignititon
when impulse turbine pressure drops
legal requirements of record keeping
2 stroke internal combustion
non - condensing turbines used
13. 1. simple design 2. less piping 3. no freezing hazard
selective catalytic reduction (SCR)
environmental management program
bakpressure turbines
air cooling advantages over water cooling
14. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
clean turbine blading with
adv of impulse turbine
bay
types of reboilers
15. 1. evaporator coil
ammonia compression cycle low side
unit
double- flow in reaction turbines
baffle pitch
16. Refers only to specificly to the turbine section
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17. 1. brass 2. copper 3. cupronickel
aftercoolers
cross compound turbine
heat exchanger materials
types of gas turbines
18. Simple generator - light - no battery - hotter spark at higher speeds
methods to detect cooling water leaks
anaerobic digesters
staging
magneto ignition
19. 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
waste water treatment purpose
waste water treatment plant components
R-12
thermocouple locations in fired heaters
20. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
axial compressors
reaction blading
environmental management program
types of turbines
21. Controlled pressure from intermediate stages of turbine
extraction governor
ejector condenser
mechanical drive turbine
barring gears prevent
22. Compression ignititon engines
purpose of a wet receiver
diesel engines aka
droop
rotary compressor control
23. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
shaft seals
Ammonia R-717
higher compression ratios needed at...
convergent- divergent
24. Contains 0.5kg of moisture for every 28 cubic meter of air
disc rotors
inlet air unloader advantages
refrigerant groups
saturated air
25. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs
close cycle disadvantages
largest hx in a plant is...
2 stroke internal combustion
air cooling advantages over water cooling
26. 1. use clean burning fuels 2. less fuel being used - saving energy reserves 3. electrical production onsite lowers construction demands for new sites and reduces transmission line power losses
marco cogeneration advantages
compression ratio
salometer
dummy pistons
27. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
components of PM program
power oil
crossflow
inlet air unloader advantages
28. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
staging
crossflow
govrenors classes
sentinel vales
29. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy
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30. Discharge steam when excessive backpressure exists
refrigeration safety controls
pressure- velocity compounding
types of reboilers
sentinel vales
31. 1. plate 2. channel
types of turbines
types of gas turbines
compressor valve types
surging
32. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants
gas turbine blades should be replaced every
cogeneration application areas
condenser tube attachment methods
single shaft combine cycle cogeneration
33. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations
peak power
adv of impulse turbine
mirco cogeneration advantages
barring gears prevent
34. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
aerobic
bakpressure turbines
purpose of a wet receiver
special aspects of reaction turbine
35. 1. CCME 2. CEQG 3. CWQG 4. US EPA
isochronous governing
gas turbine components
government regualtions for waste water
aftercoolers
36. Air drawn from atmosphere - working fluid
open cycle
mechanical governors
gas turbine efficiencies based on...
extraction pumps usually are _____ type
37. Moving blades on a rotor
intercoolers
impulse buckets
gantt chart
when impulse turbine pressure drops
38. 5mm in diameter
air leak tolerated in condenser up to...
peak power
sodium chloride
aftercoolers
39. 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
Axial thrust
anaerobic digesters
gantt chart
types of fired heaters
40. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve
refrigerant groups
avoid surging
barring gears prevent
compression ratio
41. Higher altitudes
inlet modulating valve advantages
nozzles types
purpose of a wet receiver
higher compression ratios needed at...
42. More rounded than impulse blading
reaction blading
2 stroke internal combustion
scavenging
anoxic
43. drum rotors on reaction turbines eliminates...
intercoolers
Axial thrust
refrigerant evaporator
closed cycle advantages
44. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
communication structure
tangs
gas turbine blades should be replaced every
refrigerant groups
45. zeolite molecular sieve desiccant
Ammonia R-717
adv of impulse turbine
air dryers
project management
46. Radiator type
gas turbine components
impulse turbine disadvantage
inlet air unloader advantages
fluid/air cooler
47. 1. Carbon ring 2. labyrinth seal 3. water seal
R-134a
shaft seals
environmental management program
when impulse turbine pressure drops
48. The crankshaft and valve train
2 stroke internal combustion
types of turbines
disc rotors
camshaft is the link between
49. Results in a gain in velocity - the moving blades change direction producing force
pressure drop across first row of reation turbine
turbocharge
biological removal of solids
barring gears prevent
50. Hydraulic cylinder or pisston on a governor
impulse force
refrigerant groups
ISO 9000 certified
servo motor