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NORA OIL HEAT EXAM REVIEW QUESTIONS WITH AUTHENTICATE ANSWERS GRADED A+ 100% 2024
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NORA OIL HEAT EXAM REVIEW QUESTIONS WITH AUTHENTICATE ANSWERS GRADED A+ 100% 2024
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NORA OIL HEAT EXAM REVIEWQUESTIONS WITH AUTHENTICATE
ANSWERS GRADED A+ 100% 2024
What is the final adjustment you make when tuning up an oil burner?
A)Draft
B) Change Nozzle
C)Oil Pressure
D)Combustion Air - CORRECT ANSWERS-D)Combustion Air
What is the effect of having a dirty burner squirrel cage fan?
A)Water Hammer
B)Incomplete combustion
C)Low Co2
D)Blocked Chimney - CORRECT ANSWERS-B)Incomplete Combustion
New burners produce "high static pressure"
A)Produce more spark
B)Push flue gases through tighter boilers
C) Get better atomization - CORRECT ANSWERS-B)Push flue gases through tighter
boilers
Water oil in tanks is necessary because?
A) Adds btu value
B) Provides a place for bacteria to grow - CORRECT ANSWERS-B)Provides a place for
bacteria to grow
Water enters tanks through?
A)Fill caps
B)Vents
C)Delivery truck
D)All - CORRECT ANSWERS-D)All
A "vent alarm"
A)Tells delivery person when to stop
B)Call tech when flame fails
C)Signals when air vent is clogged - CORRECT ANSWERS-A)Tells delivery person
when to stop
The best way to clear a clogged oil line is to
, A)Turn the pump pressure up
B)Use a Co2 cartridge
C)Use a hand pump to suck the dirt out - CORRECT ANSWERS-C)Use a hand pump to
suck the dirt out
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 - CORRECT ANSWERS-A)T
If there is an air leak in the oil suction line to a burner
A)The ignitor will fail
B)The flame may pulse
C)Draft will increase - CORRECT ANSWERS-B)The flame may pulse
A fuel de-aerator removes small amounts of sludge from the oil
A)T
B)F - CORRECT ANSWERS-B)F - it removes small amounts of air from the oil
Nozzle after-drip can be caused by?
A) Too large a nozzle
B)Dirty Oil
C)Air in the nozzle line >"cracked line" - CORRECT ANSWERS-C)Air in the nozzle line
When will a barometric damper open wider?
A)Hot summer day
B)Cold winter day
C)No wind day - CORRECT ANSWERS-B)Cold winter day (there is higher draft)
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 - CORRECT ANSWERS-D) All
When is a power venter used?
A)To ensure sufficient draft
B) When horizontal venting
C)On every installation - CORRECT ANSWERS-A)To ensure sufficient draft
Co2 "red fluid" is good for how many tests?
A)100
B)200
C)300
D)400 - CORRECT ANSWERS-B)200
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