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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. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
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2. 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
purpose of dry receiver
suction line unloading valve advantages
critical path method (CPM)
air take 'pulse cleaing systems'
3. 'huff and puff' methods
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4. Pressure drops across the moving blades
creep
aftercoolers
distinguishing reaction turbine
gas turbine advantages
5. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
air leaks in condensers
plant thermal effificienies
to reduce steam and blade velocities
types of reboilers
6. DLN - reduce NOx down to 9ppm but have an increased combustion area
counterflow
dry low NOx combustion systems
distinguishing reaction turbine
extraction pumps usually are _____ type
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
difference between diesel and gas engines
thermocouple locations in fired heaters
axial air compressors
8. Discharge steam when excessive backpressure exists
axial air compressors
suction line unloading valve advantages
sentinel vales
convergent nozzles
9. 1. compressor section 2. combustor 3. turbine section
compressor displacement
liquid line aka
First stage of gas turbine nozzles made of...
gas turbine components
10. Nickel steel - strong fully balanced rotor - expensive
double pipe hx
surface condenser
Ammonia R-717
what large rotors are made of
11. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy
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12. 'booster' compressor
diesel engines aka
higher compression ratios needed at...
'gas turbine'
two stage refrigeration system
13. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
compressor displacement
tangs
closed cycle advantages
3 types of communication
14. Center- to- center distance between baffles
typical temperature for outlet on oil coolers
baffle pitch
impulse force
ejector condenser
15. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
thermocouple locations in fired heaters
tandem compound turbines
anoxic
power oil
16. Is the ratio of the discharge pressure to the intake pressure absolute
BOD (biological oxygen demand)
air ejectors
compression ratio
extraction governor
17. Atmospheric or hyperbolic
dry low NOx combustion systems
staging
natural draft cooling tower
anoxic
18. Have advantage of high efficiencies - 10% greater than centrifugal compressors
servo motor
diesel engines aka
surface condenser
axial air compressors
19. 1. control range of 0 to 100% load 2. energy efficient
compressor displacement
inlet modulating valve advantages
non - condensing turbines used
inlet cooling methods - evaporative
20. Help maintain definite thrust toward exhaust
balancing pipe
components of PM program
staging
centrifugal air compressor disadvantages
21. Waste heat only
Prevent thermal stresses
pressure compounding
angstrom particles
unfired
22. Cause high discharge pressures - more power requirements - reduces capacity
newton's 3rd law of motion
a tandem turbine coupled by flexible couplings
non - condensables
base load
23. Eliminates thrust - steam admitted midway along casing
double- flow in reaction turbines
legal requirements of record keeping
First stage of gas turbine nozzles made of...
hairpin hx
24. 1. electricial purity 2. silver nitrate - milky white
staging
'topping cycle'
newton's 3rd law of motion
methods to detect cooling water leaks
25. Requires annual review of SOPs
trunk type piston
gudgeon pins
ISO 9000 certified
refrigeration safety controls
26. Does not contain dissolved oxygen
anaerobic
newton's 2nd law
types of reboilers
primary cogeneration output
27. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases
R-12
3 types of communication
impulse force
convergent- divergent
28. No dissolved oxygen but does contain nitrates
hunting
anoxic
project management
mechanical draft
29. Increased efficiency due to decreased frictional losses
dry low NOx combustion systems
liquid line aka
adv of impulse turbine
'bottoming cycle'
30. 1. kettle 2. thermosyphon horizontal 3. thermosyphon vertical
headworks
single flow turbines
types of reboilers
3 types of communication
31. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
selective catalytic reduction (SCR)
sealing strips made of...
R-134a
tandem compound turbines
32. 43-49 degrees C
dry low NOx combustion systems
selective catalytic reduction (SCR)
gantt chart
typical temperature for outlet on oil coolers
33. Change in momentum
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34. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
moisture separator
cogeneration
Above or at atmospheric pressure
BOD (biological oxygen demand)
35. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing
reaction turbines use ____ bearings
Ammonia R-717
suction line unloading valve advantages
diesel engines aka
36. Same principle as a turbine but acting in reverse
cogeneration
anoxic
nozzels made of...
axial compressors
37. Needs to a high vacuum present in system before charging
purpose of a wet receiver
refrigeration system charging
aftercoolers
magneto ignition
38. Servomotors
power oil
servo motor
air take 'pulse cleaing systems'
govrenors classes
39. Each shaft needs a thrust bearing
a tandem turbine coupled by flexible couplings
air leaks in condensers
single shaft combine cycle cogeneration
double flow turbines
40. Higher power and speeds
mechanical overspeed trip
double flow turbines
open cycle
rotary compressor control
41. 1. need cooling water 2. low hx efficiencies 3. complex in size - increase in costs
single point fuel injection
close cycle disadvantages
dry low NOx combustion systems
eutectic solution
42. Made of cast iron and support by stay bolts to protect against a vacuum
aerobic
types of fired heaters
water boxes
3 types of communication
43. 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
cogeneration reduces energy costs by...
closed cycle advantages
3 types of communication
44. Driving rotating equipment
air ejectors
coagulant aids
primary cogeneration output
hx principles
45. A group of one or more bays - including one or more units arranged in a single or continuous structure
when impulse turbine pressure drops
disc rotors
bank
close cycle disadvantages
46. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8
condenser tube attachment methods
crossflow
saturated air
R-12
47. Ground water monitoring device
staging
balancing pipe
Piezometer wells
R-134a
48. Moving blades on a rotor
magneto ignition
gas turbine advantages
close cycle disadvantages
impulse buckets
49. 1. increases net power 2. clean working fluid 3. cheap fuel can be used
brine
closed cycle advantages
reaction turbine
base load
50. Refers only to specificly to the turbine section
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