Licensed Oil Burner Technician Exam
Study online at https://quizlet.com/_d7djuo
1. What does L1 mean in elec- hot or line voltage
trical wiring?
2. What does L2 mean in a 115 neutral
volt circuit?
3. How far must oil storage be 3 feet
from an electrical panel?
4. What does the letter "N" Neutral
mean?
5. What color wire is used for Black
L1?
6. What color wire is used for White
L2?
7. What color wire is used for White
"N"?
8. What is the fuse size in an oil 15 amp
burner circuit?
9. What size wire is used in an 14 gauge
oil burner circuit?
10. What is a series circuit? one path for electricity to follow
11. Define a parallel circuit? more than one path for the electricity to follow
12. What is the limit device used Pressuretrol
in a steam system?
13. grounding
, Licensed Oil Burner Technician Exam
Study online at https://quizlet.com/_d7djuo
Wire with green insulation is
used for what?
14. A 15 amp electrical cir- 12 amps
cuit cannot have a contin-
uous load of more than
_______amps?
15. What is a short circuit? power back to source with no load
16. T/F Limit switches are wired False
using L2?
17. Can a thermal switch be No
wired on L2?
18. What is the purpose of a to hold heat and improve combustion
combustion chamber?
19. What happens when an oil It causes impingement
flame touches a cold sur-
face?
20. What is draft? air in motion
21. Why do we use a barometric to regulate the draft and make it constant
damper?
22. What is required on a unit an air proving switch
with a power operated vent?
23. Air leaks in the combustion poor efficiency
chamber will cause what?
, Licensed Oil Burner Technician Exam
Study online at https://quizlet.com/_d7djuo
24. What is the maximum safe 9 ppm
CO reading indoors?
25. Sulfuric acid is created when 250 degrees
the stack temp drops below
____________degrees F.
26. A burner connected to a draft inducer
chimney that has -.01 of
draft when cold will need to
be fitted with a _________.
27. Will an increase in excess air raise it
lower or raise the stack tem-
perature?
28. Will an increase in excess air lower it
lower or raise the CO2 read-
ing?
29. What is a good CO2 reading 10-12% (11%)
in a boiler with a retention
head burner?
30. A draft of -.03 to -.04"wc over False: over the fire draft -.01"wc to -.02"wc, at the breach -.04"wc
the fire, and -.01 to -.02"wc
at the breach is considered
good.
31. Draft measurements are inches of water column
taken in...
32. Burner will lock out
Study online at https://quizlet.com/_d7djuo
1. What does L1 mean in elec- hot or line voltage
trical wiring?
2. What does L2 mean in a 115 neutral
volt circuit?
3. How far must oil storage be 3 feet
from an electrical panel?
4. What does the letter "N" Neutral
mean?
5. What color wire is used for Black
L1?
6. What color wire is used for White
L2?
7. What color wire is used for White
"N"?
8. What is the fuse size in an oil 15 amp
burner circuit?
9. What size wire is used in an 14 gauge
oil burner circuit?
10. What is a series circuit? one path for electricity to follow
11. Define a parallel circuit? more than one path for the electricity to follow
12. What is the limit device used Pressuretrol
in a steam system?
13. grounding
, Licensed Oil Burner Technician Exam
Study online at https://quizlet.com/_d7djuo
Wire with green insulation is
used for what?
14. A 15 amp electrical cir- 12 amps
cuit cannot have a contin-
uous load of more than
_______amps?
15. What is a short circuit? power back to source with no load
16. T/F Limit switches are wired False
using L2?
17. Can a thermal switch be No
wired on L2?
18. What is the purpose of a to hold heat and improve combustion
combustion chamber?
19. What happens when an oil It causes impingement
flame touches a cold sur-
face?
20. What is draft? air in motion
21. Why do we use a barometric to regulate the draft and make it constant
damper?
22. What is required on a unit an air proving switch
with a power operated vent?
23. Air leaks in the combustion poor efficiency
chamber will cause what?
, Licensed Oil Burner Technician Exam
Study online at https://quizlet.com/_d7djuo
24. What is the maximum safe 9 ppm
CO reading indoors?
25. Sulfuric acid is created when 250 degrees
the stack temp drops below
____________degrees F.
26. A burner connected to a draft inducer
chimney that has -.01 of
draft when cold will need to
be fitted with a _________.
27. Will an increase in excess air raise it
lower or raise the stack tem-
perature?
28. Will an increase in excess air lower it
lower or raise the CO2 read-
ing?
29. What is a good CO2 reading 10-12% (11%)
in a boiler with a retention
head burner?
30. A draft of -.03 to -.04"wc over False: over the fire draft -.01"wc to -.02"wc, at the breach -.04"wc
the fire, and -.01 to -.02"wc
at the breach is considered
good.
31. Draft measurements are inches of water column
taken in...
32. Burner will lock out