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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. 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
single point fuel injection
3 types of communication
compression ratio
2. Used to satisfy process steam requirements
compressor valve types
'turbine'
trunk type piston
bakpressure turbines
3. Change in momentum
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4. Cool compressed air before point of use
aftercoolers
ammonia compression cycle low side
intercoolers
water/oil separator
5. Centrifugal pumps
scavenging
single flow turbines
centrifugal air compressor disadvantages
extraction pumps usually are _____ type
6. The change in sped that resutls from an increase in load
sprial valve
distinguishing reaction turbine
inlet modulating valve advantages
speed droop
7. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently
critical path method (CPM)
Axial thrust
sodium chloride
centrifugal air compressor disadvantages
8. 1. widely used 2. single stage 3. impulse turbine
mechanical drive turbine
newton's 2nd law
waste water treatment purpose
compressor displacement
9. Has steam directed through baffles making 4 passes
mechanical overspeed trip
'gas turbine'
a tandem turbine coupled by flexible couplings
downflow condenser
10. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control
compressor displacement
dynamic compressor control
aerial coolers
gas turbine advantages
11. Removal of exhaust gases by blow air through
oil system components
combined cycle cogeneration
heat exchanger materials
scavenging
12. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
sealing strips made of...
hunting
selective catalytic reduction (SCR)
close cycle disadvantages
13. Wrist pins that connect pistons to rod - retained bu circlips
magneto ignition
turbocharge
R-134a
gudgeon pins
14. 1. control range of 0 to 100% load 2. energy efficient
condenser tube sheets made of...
impulse buckets
gas turbine disadvantages
inlet modulating valve advantages
15. The volum swept out by the piston - same through all stages
extraction governor
thermal load control
project management
compressor displacement
16. 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
regulation compressor systems
isochronous governing
turbocharge
Ammonia R-717
17. 1. convergent 2. convergent- divergent
nozzles types
two stage refrigeration system
bakpressure turbines
pressure sensitve governors
18. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)
regulation compressor systems
open cycle
speed droop
environmental management program
19. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
clean turbine blading with
surface condenser
extraction governor
tandem compound turbines
20. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference
surface condenser
single flow turbines
shaft seals
hx principles
21. 0.577 times the inlet pressure
critical pressure
inlet modulating valve advantages
'topping cycle'
mechanical draft
22. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust
double- flow in reaction turbines
special aspects of reaction turbine
impulse turbine disadvantage
gudgeon pins
23. 1. oil reservoir 2. filters 3. pumps 4. coolers 5. protective monitoring devices
capacity
impulse buckets
oil system components
Pressure below atmospheric
24. Made of cast iron and support by stay bolts to protect against a vacuum
lube oil system basic functions
hunting
water boxes
First stage of gas turbine nozzles made of...
25. Driving rotating equipment
aerobic
air cooling advantages over water cooling
nozzels made of...
primary cogeneration output
26. King valve
legal requirements of record keeping
liquid line aka
ejector condenser
pressure sensitve governors
27. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
types of turbines
brine
double flow turbines
condenser tube attachment methods
28. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
moisture separator
gantt chart
jacking oil system
mechanical overspeed trip
29. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
salometer
dynamic compressor control
angstrom particles
mechanical governors
30. The crankshaft and valve train
camshaft is the link between
extraction pumps usually are _____ type
reaction turbines use ____ bearings
secondary cogeneration output
31. A thrust block that enables the axial position of the rotor to be controlled
oil system components
largest hx in a plant is...
government regualtions for waste water
thrust adjsusting gear
32. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
closed cycle advantages
sealing strips made of...
compression ratio
purpose of a wet receiver
33. Use of a rotary lobe air blower
reaction turbine
types of refrigerant evaporators
supercharge
biological removal of solids
34. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
double flow turbines
inlet cooling methods - evaporative
staging
aerial coolers
35. Means to come together and form one mass - removes oil and water from air
surface condenser
coalescing filters
hx principles
non - condensables
36. 1. CCME 2. CEQG 3. CWQG 4. US EPA
government regualtions for waste water
compressor valve types
angstrom particles
Prevent thermal stresses
37. 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
unit
anoxic
communication structure
waste water treatment plant components
38. Moving blades on a rotor
types of turbines
waste water treatment plant components
impulse buckets
ammonia compression cycle high side components
39. Increased efficiency due to decreased frictional losses
non - condensing turbines used
adv of impulse turbine
hairpin hx
gas turbine operating principles
40. 1. planning 2. implementation 3. review
unit
project management
air leak tolerated in condenser up to...
dual shaft combined cycle cogeneration
41. 1. Split 2. double
turbine casings
impulse buckets
diesel engines aka
types of turbines
42. 1. remove non - condensables 2. dalton's law of partial pressures 3. reciprocating or rotart pump 4. below baffles
air ejectors
First stage of gas turbine nozzles made of...
liquid line aka
thermal load control
43. 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
R-12
marco cogeneration advantages
air dryers
oil system components
44. 1. lubricate sliding surfaces 2. cool bearings
lube oil system basic functions
bakpressure turbines
open cycle
waste water treatment purpose
45. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
Prevent thermal stresses
air dryer types
sealing strips made of...
sprial valve
46. 1. Responsive to speed changes 2. responsive to pressurre changes
methods to detect cooling water leaks
'gas turbine'
sealing strips made of...
govrenors classes
47. Most widely used - least amount of steam
angstrom particles
refrigeration safety controls
single flow turbines
surface condenser
48. Air drawn from atmosphere - working fluid
aerial coolers
open cycle
hairpin hx
base load
49. Too small to settle out - add floc
coalescing filters
isochronous governing
dual shaft combined cycle cogeneration
angstrom particles
50. Increase pressure affecting performance of condenser but do not incresase temperature
refrigeration system charging
air leaks in condensers
open cycle
critical path method (CPM)