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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. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads
air ejectors
air leaks in condensers
isochronous governing
rotary compressor types
2. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
components of PM program
aero- derivative turbines
thermocouple locations in fired heaters
ejector condenser
3. 1. Responsive to speed changes 2. responsive to pressurre changes
First stage of gas turbine nozzles made of...
clean turbine blading with
govrenors classes
mechanical drive turbine
4. 1. control range of 0 to 100% load 2. energy efficient
dummy pistons
types of reboilers
refrigerant groups
inlet modulating valve advantages
5. Large turbines with a generator on each shaft
single point fuel injection
impulse force
cross compound turbine
non - condensing turbines used
6. Atmospheric or hyperbolic
closed cycle advantages
types of turbines
natural draft cooling tower
non - condensing turbines used
7. Air drawn from atmosphere - working fluid
base load
axial air compressors
shaft seals
open cycle
8. 1. CCME 2. CEQG 3. CWQG 4. US EPA
government regualtions for waste water
aero- derivative turbines
natural draft cooling tower
pressure- velocity compounding
9. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
close cycle
axial compressors
electronic overspeed trip
types of reboilers
10. 1. Split 2. double
what large rotors are made of
turbine casings
staging
legal requirements of record keeping
11. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
compressor displacement
marco cogeneration advantages
cross compound turbine
BOD (biological oxygen demand)
12. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
unit
typical temperature for outlet on oil coolers
velocity compounding
hunting
13. 1. high pressure cutout 2. oil pressure cutout 3. pressure relief devices
double- flow in reaction turbines
double flow turbines
close cycle disadvantages
refrigeration safety controls
14. Either fixed production or varying
downflow condenser
thermal load control
critical pressure
Piezometer wells
15. 1. compressor discharge 2. condenser 3. liquid receiver
reaction blading
coagulant aids
ammonia compression cycle high side components
inlet air unloader advantages
16. Polymers (polyelectrolytes)
surface condenser
coagulant aids
bank
environmental management program
17. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure
electronic overspeed trip
thermal load control
types of turbines
unit
18. Help maintain definite thrust toward exhaust
thermal load control
methods to offset axial thrust
close cycle disadvantages
balancing pipe
19. 5mm in diameter
critical pressure
a tandem turbine coupled by flexible couplings
convergent nozzles
air leak tolerated in condenser up to...
20. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
BOD (biological oxygen demand)
closed cycle advantages
duct burners in HRSG
what large rotors are made of
21. 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
air take 'pulse cleaing systems'
unit
water/oil separator
22. Same principle as a turbine but acting in reverse
reaction turbine components
dual shaft combined cycle cogeneration
ammonia compression cycle high side components
axial compressors
23. Small pressure drop
anoxic
convergent nozzles
environmental management program
single point fuel injection
24. One or more tube bundles - in one or more bays for an individual service or process
trunk type piston
pressure drop across first row of reation turbine
unit
mechanical overspeed trip
25. 43-49 degrees C
gas turbine efficiencies based on...
tandem compound turbines
axial air compressors
typical temperature for outlet on oil coolers
26. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices
jet condensers
thermal load control
3 types of gas turbine combustors
oil system components
27. Cause high discharge pressures - more power requirements - reduces capacity
mechanical draft
'topping cycle'
non - condensables
jet condensers
28. 1. electricial purity 2. silver nitrate - milky white
dynamic compressor control
a tandem turbine coupled by flexible couplings
ISO 9000 certified
methods to detect cooling water leaks
29. Use antifriction bearings
communication structure
aero- derivative turbines
cogeneration
axial compressors
30. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based
single flow turbines
R-134a
feature of impulse turbine
critical path method (CPM)
31. Attempting to pick up a load - turbines in parallel
bakpressure turbines
dummy pistons
hunting
mechanical governors
32. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87
ISO 9000 certified
R-22
starters transmit power to front end of gas turbnine by...
double- flow in reaction turbines
33. Simple generator - light - no battery - hotter spark at higher speeds
two stage refrigeration system
isochronous governing
magneto ignition
closed cycle advantages
34. Used on large turbines to supply lower part of the bearing with oil to prevent metal to metal contact
centrifugal air compressor disadvantages
jacking oil system
camshaft is the link between
secondary cogeneration output
35. Increase pressure affecting performance of condenser but do not incresase temperature
largest hx in a plant is...
critical pressure
air leaks in condensers
convergent nozzles
36. Cannot go below -18
waste water treatment purpose
selective catalytic reduction (SCR)
sodium chloride
gas turbine blades should be replaced every
37. 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
water boxes
refrigerant groups
turbocharge
non - condensing turbines used
38. 1. convergent 2. convergent- divergent
unfired
nozzles types
turbine casings
sealing strips made of...
39. Higher altitudes
rotary compressor types
mirco cogeneration advantages
aerial coolers
higher compression ratios needed at...
40. Made of cast iron and support by stay bolts to protect against a vacuum
velocity compounding
3 types of communication
thermocouple locations in fired heaters
water boxes
41. Center- to- center distance between baffles
components of PM program
baffle pitch
crossflow
gas turbine blades should be replaced every
42. Velocity increases as passes through nozzles
'bottoming cycle'
dummy pistons
extraction governor
when impulse turbine pressure drops
43. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
baffle pitch
types of gas turbines
types of reciprocation compressors
2 stroke internal combustion
44. Admirally brass or Munte metal - 25-40mm thick
gudgeon pins
3 types of communication
condenser tube sheets made of...
open cycle
45. Compression ignititon engines
diesel engines aka
non - condensables
2 major factos affecting gas turbine efficiency and power
jacking oil system
46. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
purpose of a wet receiver
angstrom particles
surface condenser
headworks
47. 1. large volumes of air 2. simple and rugged 3. low maintenance
axial air compressors
tandem compound turbines
centrifugal air compressors advantages
electronic overspeed trip
48. Refers to the production of power during overload demands
reaction turbine
R-134a
nozzels made of...
peak power
49. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
axial air compressors
3 speed sensitive governors
heat exchanger materials
single shaft combine cycle cogeneration
50. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell
ejector condenser
expansion valve
jet condensers
reaction turbine