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. 1. ferrules 2. metallic and fiber packing 3. roll expanding 4. combination - inlet end expanded and belled - outlet pakced or ferruled
environmental management program
peak power
Axial thrust
condenser tube attachment methods
2. Either fixed production or varying
extraction pumps usually are _____ type
Axial thrust
refrigerant evaporator
thermal load control
3. Moderate compression ratio - giving improved volumetric efficiency - but not lower discharge air temperature
sealing strips made of...
air take 'pulse cleaing systems'
staging
cogeneration application areas
4. 1. Pressure compounding 2. velocity compounding 3. pressure- velocity compounding
mirco cogeneration advantages
waste water treatment plant components
to reduce steam and blade velocities
droop
5. Velocity increases as passes through nozzles
when impulse turbine pressure drops
centrifugal air compressor disadvantages
marco cogeneration advantages
salometer
6. Air flow is upward
speed droop
impulse turbine disadvantage
counterflow
headworks
7. 1. high power to weight ration 2. use of different liquids and gaseous fuels 3. start rapidly 4. simple and compact design 5. reliable 6. remote operation
cogeneration reduces energy costs by...
gas turbine advantages
ammonia compression cycle low side
pressure compounding
8. HFC group - zero ozone depletion - nonflammable and nonexplosive - boiling point of -26.2 - miscibility problem with minerial oil - use sythetics ester based
R-134a
purpose of a wet receiver
purpose of dry receiver
combined cycle cogeneration
9. At high temperatures a material stretches
single point fuel injection
creep
speed droop
gantt chart
10. 1. high manufacturing costs 2. slow speed changes 3. low efficiencies at low throttle
thrust adjsusting gear
rotary compressor types
typical temperature for outlet on oil coolers
gas turbine disadvantages
11. 1. evaporator coil
purpose of compressor lubrication
inlet modulating valve advantages
ammonia compression cycle low side
what large rotors are made of
12. Simple generator - light - no battery - hotter spark at higher speeds
thermal load control
open cycle
magneto ignition
isochronous governing
13. Independant of the governor - inductive sensor (magnetic speed pickups)
electronic overspeed trip
liquid line aka
marco cogeneration advantages
gantt chart
14. Monel metal - high tensile strength - nickel copper alloy
condenser tube sheets made of...
nozzels made of...
biological removal of solids
types of fired heaters
15. Most widely used - least amount of steam
supercharge
distinguishing reaction turbine
single flow turbines
heat exchanger materials
16. Admirally brass or Munte metal - 25-40mm thick
air take 'pulse cleaing systems'
types of reboilers
condenser tube sheets made of...
higher compression ratios needed at...
17. Change in momentum
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
18. The space wherein the liquid refrigerant absorbs heat and boils
refrigerant evaporator
gas turbine efficiencies based on...
reaction turbine components
angstrom particles
19. 1. throttle inlet valve 2. reduce compressor speed 3. automatic discharge vent line 4. anit- surge valve - reciruclation 5. anti- surge microprocessor - kickback valve
ejector condenser
pressure- velocity compounding
surging
avoid surging
20. HCFC group - miscible in oil - boiling point of -40.8 but can be used down to -87
heat exchanger materials
refrigeration safety controls
R-22
double flow turbines
21. 1. activated sludge and primary sludge combined 2. heated to 37C 3. sits for 25 days 4. anaerobic bacteria breaks down organic contents 5. produces useable gases for waste heat
plant thermal effificienies
anaerobic digesters
natural draft cooling tower
downflow condenser
22. Large turbines with a generator on each shaft
cogeneration reduces energy costs by...
cross compound turbine
dry low NOx combustion systems
refrigeration safety controls
23. 1. single acting 2. double acting 3. two stage 4. tandem (first stage double acting - 2nd single) 5. free piston
R-22
surface condenser
types of reciprocation compressors
open cycle
24. Refers to the production of electricity form two sources utilizing one fuel source
camshaft is the link between
velocity compounding
combined cycle cogeneration
government regualtions for waste water
25. 1. Aero- derivate 2. Heavy duty
condenser safety devices
when impulse turbine pressure drops
types of gas turbines
close cycle disadvantages
26. 1. start and stop control (reciprocating compressors) 2. variable speed (dymanic and rotary compressors) 3. constant speed (positive displacement)
mirco cogeneration advantages
mechanical drive turbine
expansion valve
regulation compressor systems
27. Use teflon or carbon to lubricate system
sodium chloride
ejector condenser
dual shaft combined cycle cogeneration
oil free compressors
28. Eliminates thrust - steam admitted midway along casing
double- flow in reaction turbines
plant thermal effificienies
close cycle disadvantages
suction line unloading valve advantages
29. Desiccant or refrigerant 1. heatless regeneration 2. heated regeneration
secondary cogeneration output
trunk type piston
air dryer types
duct burners in HRSG
30. Higher altitudes
angstrom particles
aero- derivative turbines
higher compression ratios needed at...
droop
31. Wrist pins that connect pistons to rod - retained bu circlips
gudgeon pins
anaerobic
pressure drop across first row of reation turbine
air ejectors
32. Has the highest level of thermal efficiency - low capital costs - fast start up - quick to build - low maint cost
magneto ignition
mirco cogeneration advantages
centrifugal air compressor disadvantages
single shaft combine cycle cogeneration
33. 1. widely used 2. single stage 3. impulse turbine
environmental management program
mechanical drive turbine
'topping cycle'
gas turbine efficiencies based on...
34. 75 -000 to 100 -00 hours of operation
two stage refrigeration system
government regualtions for waste water
gas turbine blades should be replaced every
gantt chart
35. The crankshaft and valve train
camshaft is the link between
anaerobic
plant thermal effificienies
inlet modulating valve advantages
36. 1. better than gantt chart 2. establishes feasible sequence 3. timetable 4. spare time plotted 5. critical activities 6. use of arrow diagrams 7. event (aka nodes) - a situation that occurs after a completed activity 8. schedule manpower efficiently
thermal load control
cross compound turbine
rotary compressor control
critical path method (CPM)
37. 1. commercial establishments 2. industrail processes 3. localized central heating of small plants
refrigerant groups
camshaft is the link between
cogeneration application areas
marco cogeneration advantages
38. 1. internal 2. external 3. equipment vendors 4. chemical suppliers 5. office equipement vendors
turbocharge
impulse buckets
sodium chloride
communication structure
39. U- tubes - surface areas less than 18 cubic meters - has small heat transfer surface
hairpin hx
extraction pumps usually are _____ type
dry low NOx combustion systems
2 major factos affecting gas turbine efficiency and power
40. Use of a rotary lobe air blower
project management
condenser safety devices
supercharge
power oil
41. '3 ports' 1. intake and exhaust 2. compression and ignititon
purpose of dry receiver
starters transmit power to front end of gas turbnine by...
2 stroke internal combustion
base load
42. Equal and opposite reation
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
43. Atmospheric or hyperbolic
close cycle
critical path method (CPM)
R-22
natural draft cooling tower
44. Moving blades on a rotor
crosshead
selective catalytic reduction (SCR)
impulse buckets
scavenging
45. 1. lowers power consumption 2. load changes frequently 3. pilot valve controls loading - adjustable
distinguishing reaction turbine
purpose of compressor lubrication
inlet air unloader advantages
diesel engines aka
46. Calcium chloride and water - -51
gas turbine components
ISO 9000 certified
air cooling advantages over water cooling
brine
47. 1. verticle cyclinder 2. cabin heater 3. central tube wall
air dryer types
Ammonia R-717
servo motor
types of fired heaters
48. 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
49. 1. simple design 2. less piping 3. no freezing hazard
mirco cogeneration advantages
air cooling advantages over water cooling
magneto ignition
aero- derivative turbines
50. Small pressure drop
surging
convergent nozzles
thrust adjsusting gear
double pipe hx