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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. Controlled pressure from intermediate stages of turbine
double- flow in reaction turbines
waste water treatment purpose
Ammonia R-717
extraction governor
2. 1. inlet vane 2. electro- pneumatic control 3. microprocessor based control
dynamic compressor control
air leaks in condensers
when impulse turbine pressure drops
anaerobic digesters
3. 1. Carbon ring 2. labyrinth seal 3. water seal
oil free compressors
aftercoolers
pressure drop across first row of reation turbine
shaft seals
4. 1. individual pump system 2. distributor system 3. common rail system
solid injection designs
legal requirements of record keeping
centrifugal air compressor disadvantages
selective catalytic reduction (SCR)
5. Rows of stationart baldes with alternating rows of moving blades
reaction turbine components
saturated air
ammonia compression cycle high side components
dry low NOx combustion systems
6. Chrome- iron alloy
sealing strips made of...
thrust adjsusting gear
bay
refrigerant evaporator
7. Change in direction causing a turbine to move
Prevent thermal stresses
types of gas turbines
downflow condenser
impulse force
8. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants
types of turbines
inlet cooling methods - evaporative
cogeneration application areas
gas turbine advantages
9. More rounded than impulse blading
disc rotors
reaction blading
coagulant aids
combined cycle cogeneration
10. Refers only to specificly to the turbine section
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11. An 'overrunning' clutch
starters transmit power to front end of gas turbnine by...
droop
velocity compounding
mechanical overspeed trip
12. A verticle well is used to increase the NPSH - gives better performance and less cavitation
reduce cavitation in extraction pumps
3 types of communication
crosshead
refrigerant groups
13. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
feature of impulse turbine
difference between diesel and gas engines
brine
inlet air unloader advantages
14. Use teflon or carbon to lubricate system
oil free compressors
3 speed sensitive governors
cogeneration application areas
project management
15. Non - condensing turbine exhaust steam at...
water/oil separator
First stage of gas turbine nozzles made of...
Above or at atmospheric pressure
marco cogeneration advantages
16. Refers to the production of power during overload demands
refrigerant groups
2 major factos affecting gas turbine efficiency and power
capacity
peak power
17. 1. can - annular 2. annular 3. single- can
components of PM program
coalescing filters
air leaks in condensers
3 types of gas turbine combustors
18. Calcium chloride and water - -51
thermal load control
brine
aerial coolers
Ammonia R-717
19. 1. widely used 2. single stage 3. impulse turbine
double pipe hx
mechanical drive turbine
Pressure below atmospheric
R-134a
20. Does not contain dissolved oxygen
ISO 9000 certified
anaerobic digesters
balancing pipe
anaerobic
21. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
gas turbine blades should be replaced every
gas turbine operating principles
condenser tube attachment methods
mechanical governors
22. Wrist pins that connect pistons to rod - retained bu circlips
gantt chart
'turbine'
gudgeon pins
ISO 9000 certified
23. 1. start- stop (sliding vane) 2. load- unload (rotary) 3. modulating inlet 4. mircoprocessor based control
gas turbine efficiencies based on...
sealing strips made of...
thermocouple locations in fired heaters
rotary compressor control
24. Each stage seperated by partitions - nozzles set into diaphragms
pressure compounding
Prevent thermal stresses
when impulse turbine pressure drops
trunk type piston
25. Air flow is upward
3 types of communication
secondary cogeneration output
counterflow
types of reboilers
26. Compression ignititon engines
diesel engines aka
single shaft combine cycle cogeneration
brine
non - condensables
27. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
purpose of a wet receiver
methods to offset axial thrust
regulation compressor systems
diesel engines aka
28. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
single shaft combine cycle cogeneration
starters transmit power to front end of gas turbnine by...
impulse buckets
double pipe hx
29. Higher power and speeds
double flow turbines
Piezometer wells
heat exchanger materials
combined cycle cogeneration
30. Is the ratio of the discharge pressure to the intake pressure absolute
condenser tube sheets made of...
aero- derivative turbines
compression ratio
reaction turbine components
31. 1. compressor discharge 2. condenser 3. liquid receiver
adv of impulse turbine
ammonia compression cycle high side components
extraction governor
feature of impulse turbine
32. Produce and maintain a vacuum at the turbine exhaust allowing steam to expand to a lower pressure and do more work
aerobic
government regualtions for waste water
surface condenser
3 types of communication
33. 1. bare tube 2. finned tube 3. plate surface - a vacuum exists between plates
jacking oil system
expansion valve
types of refrigerant evaporators
surging
34. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
methods to detect cooling water leaks
project management
aftercoolers
sprial valve
35. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust
special aspects of reaction turbine
solid injection designs
refrigeration system charging
cogeneration reduces energy costs by...
36. Control a steady backpressure - sensing element in exhuast line
balancing pipe
disc rotors
pressure sensitve governors
base load
37. A thrust block that enables the axial position of the rotor to be controlled
thrust adjsusting gear
feature of impulse turbine
centrifugal air compressors advantages
surface condenser
38. Primary fuel produces high thermal energy for processes - the waste heat is used to produce electrical energy
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39. Center- to- center distance between baffles
environmental management program
baffle pitch
axial compressors
bay
40. 1. thrust bearings 2. dummy pistions 3. thrust adjusting gear
bakpressure turbines
methods to offset axial thrust
aerial coolers
salometer
41. 75 -000 to 100 -00 hours of operation
environmental management program
gas turbine blades should be replaced every
air cooling advantages over water cooling
pressure drop across first row of reation turbine
42. Main purpose to protect the evnironment (air - water and soil) and create public awareness - involves training - monitoring and reporting
environmental management program
turbocharge
thermal load control
secondary cogeneration output
43. 1. simple design 2. less piping 3. no freezing hazard
centrifugal air compressors advantages
reaction turbine
extraction governor
air cooling advantages over water cooling
44. To remove and properly dispose of pollutants
dry low NOx combustion systems
two stage refrigeration system
ammonia compression cycle low side
waste water treatment purpose
45. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
avoid surging
3 types of communication
air leaks in condensers
legal requirements of record keeping
46. 'huff and puff' methods
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47. Change in momentum
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48. Air flow is horizontal
crossflow
'gas turbine'
steam expanding through stationary nozzles
inlet modulating valve advantages
49. The space wherein the liquid refrigerant absorbs heat and boils
marco cogeneration advantages
pressure drop across first row of reation turbine
combined cycle cogeneration
refrigerant evaporator
50. Results in a gain in velocity - the moving blades change direction producing force
pressure drop across first row of reation turbine
gas turbine blades should be replaced every
'turbine'
disc rotors