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Test your basic knowledge |
Power Engineering 2
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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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. Simple generator - light - no battery - hotter spark at higher speeds
water boxes
tandem compound turbines
magneto ignition
adv of impulse turbine
2. Large turbines couple together on a single shaft applied to one generator
refrigeration system charging
aftercoolers
tandem compound turbines
feature of impulse turbine
3. Monel metal - high tensile strength - nickel copper alloy
inlet air unloader advantages
velocity compounding
baffle pitch
nozzels made of...
4. DLN - reduce NOx down to 9ppm but have an increased combustion area
dry low NOx combustion systems
speed droop
close cycle
gas turbine efficiencies based on...
5. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8
primary cogeneration output
double- flow in reaction turbines
dynamic compressor control
R-12
6. Meters liquid from liquid line into evaporator at a rate equal at which vaporization of liquid is occuring
cogeneration reduces energy costs by...
First stage of gas turbine nozzles made of...
expansion valve
gudgeon pins
7. 1. reduce total energy bill 2. compact - les maintenance 3. short start up time 4. wide range of configurations
mirco cogeneration advantages
government regualtions for waste water
inlet air unloader advantages
Piezometer wells
8. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure
Piezometer wells
types of turbines
unfired
closed cycle advantages
9. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
speed droop
refrigeration safety controls
duct burners in HRSG
types of gas turbines
10. Type of hydrometer indicating % of salt in solution
turbine casings
steam expanding through stationary nozzles
double flow turbines
salometer
11. Have advantage of high efficiencies - 10% greater than centrifugal compressors
anaerobic
axial air compressors
double- flow in reaction turbines
gantt chart
12. Countries with small grids or specail grid requirements - has a high efficiency at base loads
single shaft combine cycle cogeneration
dual shaft combined cycle cogeneration
air ejectors
purpose of dry receiver
13. 1. spray 2. fog 3. special evaporator pads
3 speed sensitive governors
air take 'pulse cleaing systems'
types of reboilers
inlet cooling methods - evaporative
14. Used for single acting compressors
liquid line aka
gas turbine efficiencies based on...
Pressure below atmospheric
trunk type piston
15. Either fixed production or varying
water/oil separator
biological removal of solids
thermal load control
sealing strips made of...
16. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
cross compound turbine
tandem compound turbines
aerial coolers
legal requirements of record keeping
17. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
unit
environmental management program
mechanical draft
double- flow in reaction turbines
18. Pressure drops across the moving blades
ammonia compression cycle high side components
intercoolers
compressor displacement
distinguishing reaction turbine
19. 1. Gives perfect speed regulation 2. regulates turbine to a constant speed at all loads
isochronous governing
waste water treatment plant components
air leaks in condensers
magneto ignition
20. Is the ratio of the discharge pressure to the intake pressure absolute
sentinel vales
critical path method (CPM)
mechanical governors
compression ratio
21. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing
adv of impulse turbine
reaction turbines use ____ bearings
refrigeration safety controls
jacking oil system
22. As prime movers in pulp and paper industry
single flow turbines
compression ratio
non - condensing turbines used
difference between diesel and gas engines
23. 1. verticle cyclinder 2. cabin heater 3. central tube wall
types of fired heaters
inlet air unloader advantages
air dryers
close cycle
24. Increased efficiency due to decreased frictional losses
adv of impulse turbine
hx principles
creep
axial compressors
25. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
hairpin hx
R-12
two stage refrigeration system
bakpressure turbines
26. 1. lubricate sliding surfaces 2. cool bearings
mechanical draft
jacking oil system
base load
lube oil system basic functions
27. Pressure does not drop across the moving blades
feature of impulse turbine
clean turbine blading with
selective catalytic reduction (SCR)
ammonia compression cycle low side
28. Driving rotating equipment
to reduce steam and blade velocities
primary cogeneration output
environmental management program
critical path method (CPM)
29. '3 ports' 1. intake and exhaust 2. compression and ignititon
difference between diesel and gas engines
anoxic
2 stroke internal combustion
unit
30. Reduces steam pressure and velocity in two or more steps
unit
pressure- velocity compounding
'gas turbine'
hx principles
31. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
what large rotors are made of
staging
condenser types
difference between diesel and gas engines
32. 1. Carbon ring 2. labyrinth seal 3. water seal
shaft seals
clean turbine blading with
inlet modulating valve advantages
baffle pitch
33. 1. plate 2. channel
headworks
special aspects of reaction turbine
reaction turbine components
compressor valve types
34. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
BOD (biological oxygen demand)
inlet air unloader advantages
plant thermal effificienies
peak power
35. Counter act force and load on thrust bearings
dummy pistons
two stage refrigeration system
newton's 3rd law of motion
typical temperature for outlet on oil coolers
36. Made of polyethylene - skimming from the surface
oil free compressors
isochronous governing
creep
water/oil separator
37. 1. operates on a temperature difference between substances 2. warm to cold only 3. rate of transfer depends on temperature difference
what large rotors are made of
hx principles
creep
thermal load control
38. Small clearances between discs on shaft to...
open cycle
condenser tube attachment methods
coalescing filters
Prevent thermal stresses
39. Cannot go below -18
sodium chloride
higher compression ratios needed at...
distinguishing reaction turbine
communication structure
40. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
types of reciprocation compressors
trunk type piston
aftercoolers
hunting
41. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
single shaft combine cycle cogeneration
cogeneration
sodium chloride
duct burners in HRSG
42. A thrust block that enables the axial position of the rotor to be controlled
trunk type piston
types of turbines
thrust adjsusting gear
camshaft is the link between
43. Reduction of NOx through ammonia injection priot to catalyst - lowering NOx to 10ppm
selective catalytic reduction (SCR)
nozzels made of...
refrigerant groups
aerobic
44. Has steam directed through baffles making 4 passes
mechanical governors
legal requirements of record keeping
downflow condenser
adv of impulse turbine
45. drum rotors on reaction turbines eliminates...
newton's 3rd law of motion
rotary compressor types
air dryers
Axial thrust
46. Sagging and hogging - 20-40rpm
solid injection designs
barring gears prevent
3 types of gas turbine combustors
water/oil separator
47. Working fluid is compress then preheated in regenerator
compressor displacement
close cycle
dry low NOx combustion systems
bank
48. 1. cooling water in direct contact 2. drains into a hotwell 3. barometric leg - condenser sits 10.34m above hotwell
single point fuel injection
jet condensers
steam expanding through stationary nozzles
scavenging
49. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
communication structure
regulation compressor systems
trunk type piston
3 speed sensitive governors
50. 1. compressor section 2. combustor 3. turbine section
fluid/air cooler
largest hx in a plant is...
gas turbine components
R-22
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