SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 0.577 times the inlet pressure
critical pressure
cogeneration reduces energy costs by...
jacking oil system
cogeneration
2. Requires annual review of SOPs
ISO 9000 certified
servo motor
heat exchanger materials
reaction turbines use ____ bearings
3. 1. Condensing 2. non - condensing (backpressure)
First stage of gas turbine nozzles made of...
two stage refrigeration system
nozzels made of...
types of turbines
4. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
mechanical overspeed trip
convergent nozzles
clean turbine blading with
gas turbine operating principles
5. 1. titling pad Kingsbury (journal bearing) 2. Michel thrust bearing
surface condenser
reaction turbine components
supercharge
reaction turbines use ____ bearings
6. Independant of the governor - inductive sensor (magnetic speed pickups)
air dryer types
electronic overspeed trip
reduce cavitation in extraction pumps
heat exchanger materials
7. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear
condenser tube attachment methods
surging
methods to offset axial thrust
hairpin hx
8. Cause high discharge pressures - more power requirements - reduces capacity
hunting
solid injection designs
non - condensables
axial air compressors
9. 1. convergent 2. convergent- divergent
First stage of gas turbine nozzles made of...
reaction turbines use ____ bearings
nozzles types
non - condensables
10. Seperately forged discs or wheels and shrunk onto shaft
refrigerant evaporator
dummy pistons
staging
disc rotors
11. 'booster' compressor
gas turbine components
inlet modulating valve advantages
close cycle
two stage refrigeration system
12. drum rotors on reaction turbines eliminates...
disc rotors
Axial thrust
jacking oil system
what large rotors are made of
13. 1. large volums of air at medium pressures - high speed 2. free air capacities range from 2.8 to 3700 cubic meters
selective catalytic reduction (SCR)
centrifugal air compressor disadvantages
cogeneration
inlet air unloader advantages
14. 1. plate 2. channel
compressor valve types
hx principles
sentinel vales
ejector condenser
15. 1. low power consumption 2. frequent load changes 3. adjustable 4. suction valve change easily
suction line unloading valve advantages
unfired
waste water treatment purpose
pressure sensitve governors
16. Center- to- center distance between baffles
intercoolers
trunk type piston
baffle pitch
liquid line aka
17. 1. written 2. spoken 3. visual
3 types of communication
automatic extraction
air take 'pulse cleaing systems'
types of gas turbines
18. Very high speed with extremely high centrigufal force and high frictional losses
impulse turbine disadvantage
turbocharge
compressor valve types
double flow turbines
19. Pressure does not drop across the moving blades
extraction pumps usually are _____ type
critical pressure
feature of impulse turbine
barring gears prevent
20. Servomotors
power oil
oil free compressors
close cycle disadvantages
crossflow
21. Help maintain definite thrust toward exhaust
solid injection designs
balancing pipe
BOD (biological oxygen demand)
baffle pitch
22. Higher power and speeds
double flow turbines
double pipe hx
close cycle disadvantages
natural draft cooling tower
23. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
eutectic solution
hairpin hx
critical path method (CPM)
'turbine'
24. Refers to the production of electricity form two sources utilizing one fuel source
R-12
air dryers
combined cycle cogeneration
coagulant aids
25. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
Above or at atmospheric pressure
coagulant aids
condenser tube attachment methods
droop
26. A group of one or more bays - including one or more units arranged in a single or continuous structure
refrigerant evaporator
types of fired heaters
gas turbine efficiencies based on...
bank
27. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
axial compressors
ISO 9000 certified
automatic extraction
reaction turbine
28. Use teflon or carbon to lubricate system
hunting
refrigeration safety controls
oil free compressors
reaction blading
29. CFC group - safe nontoxic - but long atmospheric life span of 100 years - boiling point of -29.8
jacking oil system
impulse buckets
R-12
BOD (biological oxygen demand)
30. 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
what large rotors are made of
refrigeration safety controls
double- flow in reaction turbines
waste water treatment plant components
31. Driving rotating equipment
types of reboilers
air take 'pulse cleaing systems'
primary cogeneration output
types of turbines
32. Straight condensing
air take 'pulse cleaing systems'
duct burners in HRSG
automatic extraction
gas turbine blades should be replaced every
33. Contains 0.5kg of moisture for every 28 cubic meter of air
saturated air
R-134a
open cycle
inlet modulating valve advantages
34. 75 -000 to 100 -00 hours of operation
aero- derivative turbines
sealing strips made of...
starters transmit power to front end of gas turbnine by...
gas turbine blades should be replaced every
35. Entire collection of all component
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
36. An 'overrunning' clutch
types of refrigerant evaporators
automatic extraction
starters transmit power to front end of gas turbnine by...
solid injection designs
37. Wrist pins that connect pistons to rod - retained bu circlips
aftercoolers
3 types of gas turbine combustors
gudgeon pins
coalescing filters
38. Unit produces electricity on an ongoing basis
axial compressors
anaerobic digesters
base load
impulse force
39. 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
anaerobic
refrigerant groups
speed droop
'turbine'
40. Small clearances between discs on shaft to...
feature of impulse turbine
Prevent thermal stresses
dummy pistons
turbocharge
41. 1. electricial purity 2. silver nitrate - milky white
methods to detect cooling water leaks
aftercoolers
pressure- velocity compounding
inlet air unloader advantages
42. 1. charge drawn into cylinder is air only 2. fuel injected at high pressures 3. ignition due to high compression temperatuers
adv of impulse turbine
refrigerant groups
difference between diesel and gas engines
coagulant aids
43. Good thermal properties - boiling point of -33.3 - pure anhydrous ammonia is noncorrosive - cheap - not miscible in oil - toxic
Ammonia R-717
turbine casings
purpose of a wet receiver
'bottoming cycle'
44. Radiator type
fluid/air cooler
Piezometer wells
rotary compressor types
centrifugal air compressor disadvantages
45. Reduces steam pressure and velocity in two or more steps
BOD (biological oxygen demand)
sprial valve
pressure- velocity compounding
gudgeon pins
46. Centrifugal pumps
coagulant aids
tangs
extraction pumps usually are _____ type
gas turbine efficiencies based on...
47. 1. compression ration across compressor 2. turbine inlet temperature
'turbine'
dry low NOx combustion systems
close cycle
2 major factos affecting gas turbine efficiency and power
48. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87
R-22
rotary compressor types
types of turbines
hunting
49. 1. inlet to the convection section 2. betwen convection and radiant section 3. at radiant section outlet
reaction blading
air take 'pulse cleaing systems'
thermocouple locations in fired heaters
cogeneration reduces energy costs by...
50. Needs to a high vacuum present in system before charging
regulation compressor systems
supercharge
types of turbines
refrigeration system charging