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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. '3 ports' 1. intake and exhaust 2. compression and ignititon
saturated air
2 stroke internal combustion
cogeneration reduces energy costs by...
impulse buckets
2. 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
refrigerant groups
cross compound turbine
impulse force
air leak tolerated in condenser up to...
3. Used to satisfy process steam requirements
expansion valve
bakpressure turbines
lube oil system basic functions
trunk type piston
4. Determines how much oxygen aerobic microorganisms that have been placed in the water to decompose organic matter
types of gas turbines
camshaft is the link between
BOD (biological oxygen demand)
peak power
5. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration
refrigerant evaporator
air dryer types
extraction governor
combined cycle cogeneration
6. Higher power and speeds
unit
scavenging
double flow turbines
air dryers
7. Sagging and hogging - 20-40rpm
barring gears prevent
ammonia compression cycle low side
air cooling advantages over water cooling
'bottoming cycle'
8. 1. backpressure 2. condensate levels 3. contanimation 4. vacuum pay- off relays (10 to 40kPa) 5. vacuum trip relays (50kPa)
velocity compounding
heat exchanger materials
aerobic
condenser safety devices
9. 1. compressor discharge 2. condenser 3. liquid receiver
ammonia compression cycle high side components
mirco cogeneration advantages
Pressure below atmospheric
types of turbines
10. Entire collection of all component
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11. 1. Nozzle - impulse turbine only 2. throttle - reaction turbine only 3. bypass or overload - used on both turbines
dual shaft combined cycle cogeneration
aerobic
compression ratio
3 speed sensitive governors
12. A group of one or more bays - including one or more units arranged in a single or continuous structure
components of PM program
natural draft cooling tower
centrifugal air compressor disadvantages
bank
13. A concentrated solution at its critical point
regulation compressor systems
eutectic solution
balancing pipe
First stage of gas turbine nozzles made of...
14. Use of a rotary lobe air blower
supercharge
surface condenser
cogeneration application areas
double flow turbines
15. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
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16. A thrust block that enables the axial position of the rotor to be controlled
thrust adjsusting gear
pressure compounding
extraction pumps usually are _____ type
creep
17. Large pressure drop - increase volume to match the increase in steam volume and pressure decreases
expansion valve
refrigerant groups
convergent- divergent
3 types of communication
18. Direct prosses applications - absorption refrigeration - heat recovery boiler
peak power
pressure compounding
thermal load control
secondary cogeneration output
19. Servomotors
gas turbine components
types of reboilers
power oil
mechanical draft
20. Non - condensing turbine exhaust steam at...
inlet modulating valve advantages
types of reboilers
Above or at atmospheric pressure
newton's 2nd law
21. 1. planning 2. implementation 3. review
3 types of gas turbine combustors
thermocouple locations in fired heaters
air ejectors
project management
22. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
refrigerant evaporator
gas turbine disadvantages
coagulant aids
pressure sensitve governors
23. Has steam directed through baffles making 4 passes
downflow condenser
axial air compressors
Piezometer wells
gas turbine efficiencies based on...
24. 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
suction line unloading valve advantages
waste water treatment plant components
heat exchanger materials
velocity compounding
25. Countries with small grids or specail grid requirements - has a high efficiency at base loads
dual shaft combined cycle cogeneration
sealing strips made of...
duct burners in HRSG
to reduce steam and blade velocities
26. No dissolved oxygen but does contain nitrates
environmental management program
anoxic
nozzels made of...
extraction governor
27. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
water/oil separator
velocity compounding
extraction pumps usually are _____ type
tandem compound turbines
28. 1. increases net power 2. clean working fluid 3. cheap fuel can be used
reaction turbine components
closed cycle advantages
aero- derivative turbines
pressure sensitve governors
29. 1. compression ration across compressor 2. turbine inlet temperature
purpose of compressor lubrication
2 major factos affecting gas turbine efficiency and power
aerobic
air leak tolerated in condenser up to...
30. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
methods to detect cooling water leaks
reaction turbine components
oil system components
communication structure
31. 1. Difference in pressure across moving blades 2. steam leaks around edges 3. minimal blade clearances 4. unbalanced thrust
water/oil separator
creep
special aspects of reaction turbine
reduce cavitation in extraction pumps
32. Used to open and close the by- pass port in a stator - varies the volum compressed air being produced
sprial valve
expansion valve
bakpressure turbines
gas turbine efficiencies based on...
33. Attempting to pick up a load - turbines in parallel
counterflow
electronic overspeed trip
hunting
rotary compressor types
34. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
reaction turbine
bay
gas turbine operating principles
combined cycle cogeneration
35. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
hx principles
bay
pressure- velocity compounding
oil free compressors
36. 1. brass 2. copper 3. cupronickel
jacking oil system
oil free compressors
gas turbine advantages
heat exchanger materials
37. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor
plant thermal effificienies
critical path method (CPM)
surging
gas turbine efficiencies based on...
38. Cannot go below -18
sodium chloride
water boxes
heat exchanger materials
mirco cogeneration advantages
39. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
gudgeon pins
single shaft combine cycle cogeneration
gas turbine efficiencies based on...
camshaft is the link between
40. 1. evaporator coil
unit
ammonia compression cycle low side
purpose of dry receiver
biological removal of solids
41. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
double- flow in reaction turbines
convergent- divergent
duct burners in HRSG
2 stroke internal combustion
42. Refers only to specificly to the turbine section
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43. zeolite molecular sieve desiccant
reduce cavitation in extraction pumps
compression ratio
servo motor
air dryers
44. Use antifriction bearings
cogeneration
expansion valve
aero- derivative turbines
solid injection designs
45. More rounded than impulse blading
centrifugal air compressor disadvantages
Prevent thermal stresses
close cycle disadvantages
reaction blading
46. Equal and opposite reation
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47. Centrifugal pumps
coagulant aids
extraction pumps usually are _____ type
methods to detect cooling water leaks
hairpin hx
48. Waste heat only
compressor displacement
Axial thrust
feature of impulse turbine
unfired
49. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
isochronous governing
legal requirements of record keeping
balancing pipe
'topping cycle'
50. Quantity ofr compressed air and delivered air by the compressor
capacity
distinguishing reaction turbine
Above or at atmospheric pressure
cross compound turbine