MASSACHUSETTS OIL BURNER LICENSE
EXAM 2026 | ACTUAL EXAM QUESTIONS
MERGED WITH CORRECT COMPLETE
SOLUTIONS | ALREADY GRADED A+ ||
2026-2027 LATEST UPDATE!!!
What is the voltage found at the TT terminals - ANSWER-24 volts
What are the 8 steps of a no heat call - ANSWER-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 - ANSWER-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.
- ANSWER-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 - ANSWER-The stack relay is operating
correctly
What is normal pump pressure - ANSWER-100 PSI
How is combustion achieved - ANSWER-Atomization, air, ignition.
What is primary air and secondary air - ANSWER-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 - ANSWER-It shall be secured
attached to a non-combustible supports
What is the wire gauge using an oil burner circuit - ANSWER-14 gauge
15 amp fuse
How is an oil burner wired - ANSWER-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 - ANSWER-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 - ANSWER-the ignition Transformer drops
out of the circuit once a flame is established
, What are the elements are found in fuel oil number 2 - ANSWER-
Carbon hydrogen oxygen and hydrocarbons
What is a BTU - ANSWER-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 - ANSWER-140,000
BTUs
What determines the gallons per hour of a nozzle - ANSWER-
Manufacturer, the bore size, pump pressure or Orphus
What is a series circuit - ANSWER-an electrical or piping circuit where
all of the current or fluid flows through the entire circuit
What is a degree day - ANSWER-The average temp for the day - 65
What is the flash point of number 2 fuel oil - ANSWER-115 degrees
Fahrenheit
When does the law require a combustion efficiency test - ANSWER-
During installation and maintenance
What controller shuts off the oil burner in the event of excessive
temperature in the appliance - ANSWER-The high limit switch
What are the three functions of an oil pump - ANSWER-1- filters 2-
pressurizes 3- pumps fuel to the burner
How is an oil burner circuit wired - ANSWER-In series on its own circuit
How is oil flow adjusted in a rotary burner - ANSWER-Constant level
and metering valve
What does Instep mean - ANSWER-The stack relay is operating
properly
EXAM 2026 | ACTUAL EXAM QUESTIONS
MERGED WITH CORRECT COMPLETE
SOLUTIONS | ALREADY GRADED A+ ||
2026-2027 LATEST UPDATE!!!
What is the voltage found at the TT terminals - ANSWER-24 volts
What are the 8 steps of a no heat call - ANSWER-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 - ANSWER-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.
- ANSWER-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 - ANSWER-The stack relay is operating
correctly
What is normal pump pressure - ANSWER-100 PSI
How is combustion achieved - ANSWER-Atomization, air, ignition.
What is primary air and secondary air - ANSWER-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 - ANSWER-It shall be secured
attached to a non-combustible supports
What is the wire gauge using an oil burner circuit - ANSWER-14 gauge
15 amp fuse
How is an oil burner wired - ANSWER-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 - ANSWER-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 - ANSWER-the ignition Transformer drops
out of the circuit once a flame is established
, What are the elements are found in fuel oil number 2 - ANSWER-
Carbon hydrogen oxygen and hydrocarbons
What is a BTU - ANSWER-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 - ANSWER-140,000
BTUs
What determines the gallons per hour of a nozzle - ANSWER-
Manufacturer, the bore size, pump pressure or Orphus
What is a series circuit - ANSWER-an electrical or piping circuit where
all of the current or fluid flows through the entire circuit
What is a degree day - ANSWER-The average temp for the day - 65
What is the flash point of number 2 fuel oil - ANSWER-115 degrees
Fahrenheit
When does the law require a combustion efficiency test - ANSWER-
During installation and maintenance
What controller shuts off the oil burner in the event of excessive
temperature in the appliance - ANSWER-The high limit switch
What are the three functions of an oil pump - ANSWER-1- filters 2-
pressurizes 3- pumps fuel to the burner
How is an oil burner circuit wired - ANSWER-In series on its own circuit
How is oil flow adjusted in a rotary burner - ANSWER-Constant level
and metering valve
What does Instep mean - ANSWER-The stack relay is operating
properly
