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MASSACHUSETTS OIL BURNER LICENSE NEWEST 2025/2026
ACTUAL EXAM TEST BANK 350 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
How many seconds must have primary safety control shut off the burner -
ANSWER-Firing Less Than 3 gallons per hour 45 seconds firing 3 - 7 gallons
per hour 15 seconds
What is normal pump pressure - ANSWER-100 PSI
What would be the advantages of a pump pressure higher than 100 PSI -
ANSWER-A cleaner burn
What determines the size of a nozzle gallons per hour - ANSWER-The
maximum firing rate
What is the purpose of a draft regulator - ANSWER-To get the proper amount
of air flow through the burner
What are two ways to adjust draft - ANSWER-Primary and secondary air
,and the draft regulator
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What is the purpose of a flow check valve - ANSWER-Make sure flow of
water does not go into the Zone that's it is unwanted
What is the minimum gauge of an above-ground tank - ANSWER-12 gauge
What are the two motor speeds - ANSWER-1725 and 3450
What is a drop lever valve - ANSWER-Oil shut off
What kind of valves are needed at the tank and pump - ANSWER-Firematics
automatic shut-off valves
Where is the solenoid valve installed and how is it wired - ANSWER-Nozzle
line or port in parallel with Burner motor
What are three types of pressure regulating valve - ANSWER-Pressure
control ,(water heater hydronic )fuel pump ,pressure relief valve
what would cause end cone burn off - ANSWER-Too much back pressure
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How is a cut-off test taken on an oil pump - ANSWER-Hook up gauge and
shut off the burner .it should hold 80% of the pressure. pressure should drop
no more than 10 to 15 psi
How long can flexible conduit be on an oil burner - ANSWER-6 feet
What would too much air do to the efficiency of an appliance - ANSWER-It
would lower the efficiency by pushing the heat up the chimney
What effect would cut down on excess air have on co2 percentage -
ANSWER-It would increase CO2 readings
The limit on a steam boiler operates by - ANSWER-Pressure
What is the approval of a 660 gallon tank - ANSWER-Standard of UL 80
What is the approval of an oil tank larger than 660 gallons - ANSWER-
Standard of UL 142
Can two supply tanks be provided with only one fill pipe and vent pipe -
ANSWER-Yes
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Can Teflon tape be used on oil line connections - ANSWER-No
When must oil lines be in closed in a non-metallic sleeve - ANSWER-When
there is direct contact with concrete or Earth
What is a gallon of oil - ANSWER-The amount of oil to occupy one standard
u.s. gallon 231 cubic inches at a temperature of 60 degrees Fahrenheit
How should multiple oil tanks be separated from other portions of a building
- ANSWER-2 hour rated fire resistive assemblies with openings protection
and continuity
How should a little tank of less than 10 gallons be installed - ANSWER-At
least 2 feet from any heat source
When when installing a tank larger than 10 gallons capacity is provided with
an opening in the bottom for use as a burner Supply connection or as a drain
how should the tank be pitched - ANSWER-Towards the opening
What is code with tank insulation inside garages - ANSWER-Must have a
Automotive protective barrier.
MASSACHUSETTS OIL BURNER LICENSE NEWEST 2025/2026
ACTUAL EXAM TEST BANK 350 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
How many seconds must have primary safety control shut off the burner -
ANSWER-Firing Less Than 3 gallons per hour 45 seconds firing 3 - 7 gallons
per hour 15 seconds
What is normal pump pressure - ANSWER-100 PSI
What would be the advantages of a pump pressure higher than 100 PSI -
ANSWER-A cleaner burn
What determines the size of a nozzle gallons per hour - ANSWER-The
maximum firing rate
What is the purpose of a draft regulator - ANSWER-To get the proper amount
of air flow through the burner
What are two ways to adjust draft - ANSWER-Primary and secondary air
,and the draft regulator
,2|Page
What is the purpose of a flow check valve - ANSWER-Make sure flow of
water does not go into the Zone that's it is unwanted
What is the minimum gauge of an above-ground tank - ANSWER-12 gauge
What are the two motor speeds - ANSWER-1725 and 3450
What is a drop lever valve - ANSWER-Oil shut off
What kind of valves are needed at the tank and pump - ANSWER-Firematics
automatic shut-off valves
Where is the solenoid valve installed and how is it wired - ANSWER-Nozzle
line or port in parallel with Burner motor
What are three types of pressure regulating valve - ANSWER-Pressure
control ,(water heater hydronic )fuel pump ,pressure relief valve
what would cause end cone burn off - ANSWER-Too much back pressure
,3|Page
How is a cut-off test taken on an oil pump - ANSWER-Hook up gauge and
shut off the burner .it should hold 80% of the pressure. pressure should drop
no more than 10 to 15 psi
How long can flexible conduit be on an oil burner - ANSWER-6 feet
What would too much air do to the efficiency of an appliance - ANSWER-It
would lower the efficiency by pushing the heat up the chimney
What effect would cut down on excess air have on co2 percentage -
ANSWER-It would increase CO2 readings
The limit on a steam boiler operates by - ANSWER-Pressure
What is the approval of a 660 gallon tank - ANSWER-Standard of UL 80
What is the approval of an oil tank larger than 660 gallons - ANSWER-
Standard of UL 142
Can two supply tanks be provided with only one fill pipe and vent pipe -
ANSWER-Yes
, 4|Page
Can Teflon tape be used on oil line connections - ANSWER-No
When must oil lines be in closed in a non-metallic sleeve - ANSWER-When
there is direct contact with concrete or Earth
What is a gallon of oil - ANSWER-The amount of oil to occupy one standard
u.s. gallon 231 cubic inches at a temperature of 60 degrees Fahrenheit
How should multiple oil tanks be separated from other portions of a building
- ANSWER-2 hour rated fire resistive assemblies with openings protection
and continuity
How should a little tank of less than 10 gallons be installed - ANSWER-At
least 2 feet from any heat source
When when installing a tank larger than 10 gallons capacity is provided with
an opening in the bottom for use as a burner Supply connection or as a drain
how should the tank be pitched - ANSWER-Towards the opening
What is code with tank insulation inside garages - ANSWER-Must have a
Automotive protective barrier.
