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. Reduces steam pressure and velocity in two or more steps
pressure- velocity compounding
bay
disc rotors
cogeneration application areas
2. The crankshaft and valve train
camshaft is the link between
critical path method (CPM)
inlet modulating valve advantages
Prevent thermal stresses
3. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
gas turbine disadvantages
inlet air unloader advantages
gas turbine operating principles
air dryers
4. Means to come together and form one mass - removes oil and water from air
reaction turbine
First stage of gas turbine nozzles made of...
coalescing filters
air leak tolerated in condenser up to...
5. Small clearances between discs on shaft to...
power oil
Prevent thermal stresses
surface condenser
isochronous governing
6. Made of cast iron and support by stay bolts to protect against a vacuum
expansion valve
single point fuel injection
non - condensables
water boxes
7. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
cogeneration
ammonia compression cycle low side
natural draft cooling tower
communication structure
8. The volum swept out by the piston - same through all stages
reaction turbines use ____ bearings
2 major factos affecting gas turbine efficiency and power
compressor displacement
gas turbine disadvantages
9. Steam expands and pressure drops as it passes through moving blades - unbalance pressure
3 speed sensitive governors
bay
reaction turbine
tangs
10. 1. list of all equipment 2. PM checklist 3. fequency 4. repairs and costs 5. record keeping 6. cost management
legal requirements of record keeping
sodium chloride
components of PM program
non - condensing turbines used
11. drum rotors on reaction turbines eliminates...
saturated air
air leaks in condensers
magneto ignition
Axial thrust
12. Either fixed production or varying
surging
counterflow
thermal load control
close cycle disadvantages
13. Large turbines couple together on a single shaft applied to one generator
waste water treatment plant components
biological removal of solids
tandem compound turbines
extraction governor
14. A group of one or more bays - including one or more units arranged in a single or continuous structure
bank
double- flow in reaction turbines
turbine casings
magneto ignition
15. Defined as one or more tube bundle - served by two or more fans complete with aux equipment
air dryers
unit
bay
crosshead
16. 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
types of gas turbines
waste water treatment plant components
what large rotors are made of
condenser types
17. Counter act force and load on thrust bearings
fluid/air cooler
oil system components
diesel engines aka
dummy pistons
18. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
hairpin hx
plant thermal effificienies
inlet modulating valve advantages
rotary compressor types
19. 1. electricial purity 2. silver nitrate - milky white
condenser tube sheets made of...
cogeneration application areas
methods to detect cooling water leaks
pressure sensitve governors
20. 1. Single flow 2. double flow 3. automatic extraction 4. backpressure
BOD (biological oxygen demand)
types of turbines
aero- derivative turbines
special aspects of reaction turbine
21. 1. to increase steam production 2. control superheater temperatures 3. meet process demands
duct burners in HRSG
bank
cross compound turbine
refrigerant evaporator
22. Sagging and hogging - 20-40rpm
gas turbine operating principles
scavenging
unfired
barring gears prevent
23. '3 ports' 1. intake and exhaust 2. compression and ignititon
2 stroke internal combustion
shaft seals
moisture separator
what large rotors are made of
24. 1. prevent wear 2. reduce friction 3. remove heat 4. reduce corrosion 5. provide sealing
feature of impulse turbine
'gas turbine'
purpose of compressor lubrication
intercoolers
25. 1. deman reservoir 2. avoid overloading compressor 3. dampens deew point and temperature spikes rom air dryer
impulse buckets
purpose of dry receiver
waste water treatment purpose
cross compound turbine
26. Fall under provincal boiler pressure regualtions - wcb and local fire marshall regulation and insurance company - need log book - safety device testing records
legal requirements of record keeping
capacity
bank
crossflow
27. Pressure does not drop across the moving blades
feature of impulse turbine
aerial coolers
Pressure below atmospheric
lube oil system basic functions
28. 1. individual pump system 2. distributor system 3. common rail system
dry low NOx combustion systems
solid injection designs
tandem compound turbines
gas turbine components
29. Used on large turbines to supply lower part of the bearing with oil to prevent metal to metal contact
supercharge
air cooling advantages over water cooling
govrenors classes
jacking oil system
30. Hydraulic cylinder or pisston on a governor
primary cogeneration output
convergent nozzles
servo motor
what large rotors are made of
31. 1. simple design 2. less piping 3. no freezing hazard
suction line unloading valve advantages
air cooling advantages over water cooling
turbocharge
2 stroke internal combustion
32. Set of stationary nozzles and 2 sets of rotating blades - pressure drop occurs in stationary blades
velocity compounding
diesel engines aka
ammonia compression cycle low side
distinguishing reaction turbine
33. Used to satisfy process steam requirements
types of turbines
scavenging
types of turbines
bakpressure turbines
34. Too small to settle out - add floc
brine
gas turbine advantages
angstrom particles
dummy pistons
35. Pieces left on tips of turbine blading so the shrouding canbe attached to correspond with strips
types of reciprocation compressors
tangs
'bottoming cycle'
Prevent thermal stresses
36. Does not contain dissolved oxygen
impulse buckets
anaerobic
higher compression ratios needed at...
adv of impulse turbine
37. Each stage seperated by partitions - nozzles set into diaphragms
pressure compounding
communication structure
air ejectors
sodium chloride
38. 1. walnuts 2. rice 3. carbo- blase 4. offline water wash - best method
combined cycle cogeneration
clean turbine blading with
refrigerant groups
suction line unloading valve advantages
39. 1. Flyweights 2. coutner spring 3. function based on centrifugal force
mechanical governors
typical temperature for outlet on oil coolers
condenser types
barring gears prevent
40. Integral part of the governing system - in the front end and engages at 10-12% above normal operating speed
automatic extraction
oil system components
cogeneration reduces energy costs by...
mechanical overspeed trip
41. Admirally brass or Munte metal - 25-40mm thick
convergent- divergent
types of refrigerant evaporators
condenser tube sheets made of...
open cycle
42. 1. vent to atmosphere 20% 2. condensing 30% 3. exhaust steam used for work 80%
types of refrigerant evaporators
gas turbine disadvantages
impulse buckets
plant thermal effificienies
43. Increase pressure affecting performance of condenser but do not incresase temperature
air leaks in condensers
what large rotors are made of
difference between diesel and gas engines
reaction turbine components
44. Fuel supplied firstg produces electrcial power with thermal energy as a by- product
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
45. 1. stabilize flow through air driers 2. additional moisture seperation 3. storage capacity
thermocouple locations in fired heaters
saturated air
purpose of a wet receiver
diesel engines aka
46. Cool compressed air before point of use
reaction turbines use ____ bearings
aftercoolers
pressure sensitve governors
surging
47. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
staging
newton's 2nd law
environmental management program
legal requirements of record keeping
48. Eliminates thrust - steam admitted midway along casing
types of reboilers
extraction pumps usually are _____ type
cross compound turbine
double- flow in reaction turbines
49. Reversal of flow within a compressor - rush in from discharge side sending a shock wave inside compressor
surging
intercoolers
close cycle disadvantages
downflow condenser
50. Overall master plan - comprehensive program
hairpin hx
purpose of a wet receiver
gantt chart
anaerobic digesters