oil burner study guide exam with questions and answer (verified
answers graded A+) latest update 2024/2025
What is the voltage found at the TT terminals - CORRECT ANSWERS/ 24 volts
What are the 8 steps of a no heat call - CORRECT ANSWERS/ 1 talk to customer
2 check tt.3 check to make sure an emergency switch is on 4check to make sure
there is oil in the tank 5 check to make sure the main power going to the unit is on
six check to make sure that tank shut off valve is open 7 know whether the tank is
located above or below the burner I know the type and style of the system that is
being used on a one or two pipe system
What is a cad cell - CORRECT ANSWERS/ A device containing condominium
sulfide used to prove the flame in oil burner furnace
How much air is needed to burn a gallon of number 2 fuel oil and why. -
CORRECT ANSWERS/ In 2015 most oil burners are set up to burn with
approximately 50% excess air because it would be dangerous to set up a burner for
exactly the correct amount of air
What is the term InStep mean - CORRECT ANSWERS/ The stack relay is
operating correctly
What is normal pump pressure - CORRECT ANSWERS/ 100 PSI
How is combustion achieved - CORRECT ANSWERS/ Atomization, air, ignition.
,What is primary air and secondary air - CORRECT ANSWERS/ Primary air, air
that is introduced to a furnace burner before the combustion process has taken
place. secondary air, air that is introduced to the furnace after combustion has taken
place and that supports combustion
How should an oil tank be supported - CORRECT ANSWERS/ It shall be
secured attached to a non-combustible supports
What is the wire gauge use an oil burner circuits - CORRECT ANSWERS/ 14
gauge 15 amp fuse
How is an oil burner wired - CORRECT ANSWERS/ Shall be wired on its own
circuit. All protective control and emergency devices shall be series connected in
the grounded line conductors. all the electrical wiring shall be in accordance with
527 CMR 12.00 Massachusetts electrical code
What size vent pipe is required with a 2 inch fill pipe - CORRECT ANSWERS/ A
fill pipe shall not be greater than the vent pipe. The minimum the fill pipe in the
state of Massachusetts is one and one quarter inch.
Explain interrupted ignition - CORRECT ANSWERS/ the ignition Transformer
drops out of the circuit once a flame is established
What are the elements are found in fuel oil number 2 - CORRECT ANSWERS/
Carbon hydrogen oxygen and hydrocarbons
What is a BTU - CORRECT ANSWERS/ A British thermal unit is the amount of
heat needed to raise one pound of water 1 degree Fahrenheit
, How many BTUs are in one gallon number 2 fuel oil - CORRECT ANSWERS/
140,000 BTUs
What determines the gallons per hour of a nozzle - CORRECT ANSWERS/
Manufacturer ,the bore size, pump pressure or Orphus
What is a series circuit - CORRECT ANSWERS/ an electrical or piping circuit
where all of the current or fluid flows through the entire circuit
What is a degree day - CORRECT ANSWERS/ The average temp for the day - 65
What is the flash point of number 2 fuel oil - CORRECT ANSWERS/ 115
degrees Fahrenheit
When does the law require a combustion efficiency test - CORRECT
ANSWERS/ During installation and maintenance
What controller shuts off the oil burner in the event of excessive temperature in the
appliance - CORRECT ANSWERS/ The high limit switch
What are the three functions of an oil pump - CORRECT ANSWERS/ 1- filters 2-
pressurizes 3- pumps fuel to the burner
How is an oil burner circuit wired - CORRECT ANSWERS/ In series on its own
circuit
How is oil flow adjusted in a rotary burner - CORRECT ANSWERS/ Constant
level and metering valve
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