NORA Oil Heat Exam Review Questions with Verified Answers
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Course
NORA Oil Heat
Institution
NORA Oil Heat
NORA Oil Heat Exam Review Questions with Verified Answers
1. D)Combustion Air
2. B)Incomplete Com-
bustion
3. B)Push flue gas-
es through tighter
boilers
4. B)Provides a place
for bacteria to grow
5. D)All
6. A)Tells delivery
person when to
stop
7. C)Use a hand pump
to suck the dirt o...
NORA Oil Heat Exam Review Questions with Verified Answers
1. D)Combustion Air What is the final adjustment you make when tuning up
an oil burner?
A) Draft
B) Change Nozzle
C) Oil Pressure
D)Combustion Air
2. B)Incomplete Com- What is the effect of having a dirty burner squirrel cage
bustion fan?
A)Water Hammer
B)Incomplete combustion
C)Low Co2
D)Blocked Chimney
3. B)Push flue gas- New burners produce "high static pressure"
es through tighter A)Produce more spark
boilers B) Push flue gases through tighter boilers
C) Get better atomization
4. B)Provides a place Water oil in tanks is necessary because?
for bacteria to grow A) Adds btu value
B) Provides a place for bacteria to grow
6. A)Tells delivery A "vent alarm"
person when to A) Tells delivery person when to stop
stop B) Call tech when flame fails
C) Signals when air vent is clogged
7. C)Use a hand pump The best way to clear a clogged oil line is to
to suck the dirt out A)Turn the pump pressure up
B) Use a Co2 cartridge
C) Use a hand pump to suck the dirt out
8. A)T
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, NORA Oil Heat Exam Review Questions with Verified Answers
The vacuum expected on pump can be calculated by
1"hg for every foot of lift and 1" for every 10' run. NOTE:
1/2 for filter
A) T
B)F
9. B)The flame may If there is an air leak in the oil suction line to a burner
pulse A)The ignitor will fail
B)The flame may pulse
C)Draft will increase
10. B) F - it removes A fuel de-aerator removes small amounts of sludge from
small amounts of the oil
air from the oil A)T
B)F
11. C) Air in the nozzle Nozzle after-drip can be caused by?
line A) Too large a nozzle
B)Dirty Oil
C)Air in the nozzle line >"cracked line"
12. B)Cold winter day When will a barometric damper open wider?
(there is higher A)Hot summer day
draft) B) Cold winter day
C) No wind day
13. D) All When is a burner "over fired"?
A)When the nozzle gph is too high
B) When the pressure is too high
C) When the stack temperature is too high
D)All
14. A) To ensure suffi- When is a power venter used?
cient draft A)To ensure sufficient draft
B) When horizontal venting
C)On every installation
15. B)200 Co2 "red fluid" is good for how many tests?
A)100
B)200
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