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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. 1. CCME 2. CEQG 3. CWQG 4. US EPA
waste water treatment purpose
BOD (biological oxygen demand)
purpose of a wet receiver
government regualtions for waste water
2. A verticle well is used to increase the NPSH - gives better performance and less cavitation
reduce cavitation in extraction pumps
what large rotors are made of
condenser tube sheets made of...
bay
3. 1. Condensing 2. non - condensing (backpressure)
methods to offset axial thrust
types of turbines
saturated air
jacking oil system
4. 1. written 2. spoken 3. visual
turbocharge
Above or at atmospheric pressure
dummy pistons
3 types of communication
5. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
clean turbine blading with
dynamic compressor control
coalescing filters
brine
6. Too small to settle out - add floc
steam expanding through stationary nozzles
counterflow
angstrom particles
R-12
7. 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
bank
saturated air
hx principles
8. Needs to a high vacuum present in system before charging
cross compound turbine
sealing strips made of...
refrigeration system charging
gantt chart
9. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
R-12
anaerobic
plant thermal effificienies
reaction blading
10. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control
mechanical draft
dummy pistons
rotary compressor control
close cycle
11. Radiator type
bank
fluid/air cooler
selective catalytic reduction (SCR)
gudgeon pins
12. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
refrigerant evaporator
solid injection designs
inlet air unloader advantages
biological removal of solids
13. Moisture removed by centrifugal force
inlet cooling methods - evaporative
compressor displacement
critical pressure
moisture separator
14. 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
turbocharge
water boxes
thermal load control
ISO 9000 certified
15. Use of a rotary lobe air blower
project management
sprial valve
supercharge
critical pressure
16. Atmospheric or hyperbolic
turbine casings
natural draft cooling tower
electronic overspeed trip
types of reboilers
17. Calcium chloride and water - -51
R-134a
types of gas turbines
coalescing filters
brine
18. Very high speed with extremely high centrigufal force and high frictional losses
isochronous governing
impulse turbine disadvantage
surging
pressure compounding
19. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
BOD (biological oxygen demand)
camshaft is the link between
components of PM program
Ammonia R-717
20. KW at 15C standard at sealevel with 60% RH
brine
gas turbine efficiencies based on...
condenser tube attachment methods
tandem compound turbines
21. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
mechanical overspeed trip
rotary compressor types
environmental management program
brine
22. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
Pressure below atmospheric
single shaft combine cycle cogeneration
'topping cycle'
gas turbine operating principles
23. Servomotors
purpose of a wet receiver
'topping cycle'
power oil
pressure compounding
24. The condenser
difference between diesel and gas engines
reaction turbine
hairpin hx
largest hx in a plant is...
25. Help maintain definite thrust toward exhaust
newton's 3rd law of motion
balancing pipe
compressor valve types
crosshead
26. 1. individual pump system 2. distributor system 3. common rail system
open cycle
methods to offset axial thrust
cogeneration reduces energy costs by...
solid injection designs
27. Working fluid is compress then preheated in regenerator
close cycle
non - condensing turbines used
unit
environmental management program
28. Pressure drops across the moving blades
condenser tube attachment methods
cross compound turbine
compressor valve types
distinguishing reaction turbine
29. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve
nozzels made of...
combined cycle cogeneration
impulse force
avoid surging
30. Has steam directed through baffles making 4 passes
cogeneration reduces energy costs by...
gas turbine components
supercharge
downflow condenser
31. The utilization of one form of input energy to generate two or more forms of output energy
extraction governor
crossflow
sprial valve
cogeneration
32. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers
double pipe hx
aerial coolers
difference between diesel and gas engines
surging
33. Admirally brass or Munte metal - 25-40mm thick
convergent nozzles
turbocharge
pressure drop across first row of reation turbine
condenser tube sheets made of...
34. The change in sped that resutls from an increase in load
speed droop
non - condensables
ISO 9000 certified
droop
35. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration
sprial valve
two stage refrigeration system
compression ratio
air dryer types
36. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
jacking oil system
Piezometer wells
3 speed sensitive governors
Above or at atmospheric pressure
37. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference
hx principles
compression ratio
primary cogeneration output
closed cycle advantages
38. zeolite molecular sieve desiccant
open cycle
air dryers
crossflow
condenser safety devices
39. 1. compressor discharge 2. condenser 3. liquid receiver
peak power
ammonia compression cycle high side components
extraction governor
waste water treatment plant components
40. 1. air compressed to 1100-3000kPa 2. combustion at 2000C 3. mixed with air - cooled to 918C on exit 4. combustor gases go to turbine 5. gases from turbine leave at atmospheric pressure and 500-640C
expansion valve
gas turbine operating principles
hunting
air dryer types
41. 1. deman reservoir 2. avoid overloading compressor 3. dampens deew point and temperature spikes rom air dryer
bakpressure turbines
types of gas turbines
Prevent thermal stresses
purpose of dry receiver
42. Cause high discharge pressures - more power requirements - reduces capacity
magneto ignition
mechanical draft
non - condensables
reduce cavitation in extraction pumps
43. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
compressor displacement
air ejectors
fluid/air cooler
regulation compressor systems
44. Sagging and hogging - 20-40rpm
expansion valve
gudgeon pins
headworks
barring gears prevent
45. Made of polyethylene - skimming from the surface
water/oil separator
avoid surging
rotary compressor control
servo motor
46. Either fixed production or varying
critical pressure
ammonia compression cycle low side
thermal load control
fluid/air cooler
47. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
types of reciprocation compressors
closed cycle advantages
barring gears prevent
adv of impulse turbine
48. Rows of stationart baldes with alternating rows of moving blades
angstrom particles
a tandem turbine coupled by flexible couplings
avoid surging
reaction turbine components
49. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor
duct burners in HRSG
pressure compounding
surging
4 stroke internal combustion
50. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring
BOD (biological oxygen demand)
surging
Piezometer wells
expansion valve