Oil Burner License Test (2025) ||
250 Questions & All Correct
Answers (Rated A+)
Conceptial Research
, Oil Burner License Test (2025) || 250
Questions & All Correct Answers (Rated
A+)
A stack switch is no longer allowed to be installed or replaced because.. - ANSWER -
It's safety cutout time is higher than what is now required.
What is a power venter and what does it do? - ANSWER - An electrical device that
sends fluid gases into the chimney connector.
A burner in a confined space using 1 GPH of #2 fuel oil requires what size permanent
opening for combustion air? - ANSWER - 140"
The difference between an adjustable flame retention burner and a fixed flame retention
burner is? - ANSWER - Air inlets can be adjusted
Ignitor position can be adjusted
Fuel can be adjusted
Oil tank design, construction, installation and testing shall be in accordance with.. -
ANSWER - 527 CMR 9.0
Heat is a form of.. - ANSWER - Energy
If a burner is operational but the circulator pump isn't running.. - ANSWER - The pump
relay is not working correctly
A method of dealing with low viscosity/cold temps with #2 oil? - ANSWER - Increase
pump pressure/ decrease nozzle size
What is needed at the outlet of an oil tank? - ANSWER - Thermal safety valve
Where do you obtain an installation permit for oil burners? - ANSWER - Fire Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - ANSWER - 140,000 btu's
Solid state ignition is superior to spark because - ANSWER - It is not affected by
reduced voltage
What is an installation? - ANSWER - The complete setting in place, ready for operation,
of an oil burner appliance together with its accessories and equipment.
, How far must a power vent terminate from an opening or window? - ANSWER - 4'
A pump in a one pipe system that is full of air can be self purged. - ANSWER - False
List the minimum size of an oil supply line. - ANSWER - 3/8"
What is the first thing a tech should do when arriving at a no combustion call? -
ANSWER - Ask how many times the customer reset the unit.
What is the best long term solution for preventing a clogged nozzle? - ANSWER - -
Remove any underground storage tanks.
-Install a quality oil filter.
-Cut the suction line 10" above the tank outlet to prevent sludge.
Hot water and steam valves are interchangeable. - ANSWER - False
When in the presence of a flame, a cad cell normally reads.. - ANSWER - 300-1000
ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is
required. - ANSWER - True
On a call where a hydronic heat system is putting out too much heat on the stack, the
issue may be.. - ANSWER - -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - ANSWER - Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - ANSWER - Not enough
combustion air in the equipment room.
When multiple pumps are wired together in a heating system, they should be wired in.. -
ANSWER - parallel
In a series circuit.. - ANSWER - Current has one path.
When 2 burners are connected to the same chimney.. - ANSWER - Sufficient draft must
be obtained to operate both units.
The ignition transformer is located.. - ANSWER - In the primary control.
When safeties are wired in series one safety will affect the operation of the others. -
ANSWER - True
250 Questions & All Correct
Answers (Rated A+)
Conceptial Research
, Oil Burner License Test (2025) || 250
Questions & All Correct Answers (Rated
A+)
A stack switch is no longer allowed to be installed or replaced because.. - ANSWER -
It's safety cutout time is higher than what is now required.
What is a power venter and what does it do? - ANSWER - An electrical device that
sends fluid gases into the chimney connector.
A burner in a confined space using 1 GPH of #2 fuel oil requires what size permanent
opening for combustion air? - ANSWER - 140"
The difference between an adjustable flame retention burner and a fixed flame retention
burner is? - ANSWER - Air inlets can be adjusted
Ignitor position can be adjusted
Fuel can be adjusted
Oil tank design, construction, installation and testing shall be in accordance with.. -
ANSWER - 527 CMR 9.0
Heat is a form of.. - ANSWER - Energy
If a burner is operational but the circulator pump isn't running.. - ANSWER - The pump
relay is not working correctly
A method of dealing with low viscosity/cold temps with #2 oil? - ANSWER - Increase
pump pressure/ decrease nozzle size
What is needed at the outlet of an oil tank? - ANSWER - Thermal safety valve
Where do you obtain an installation permit for oil burners? - ANSWER - Fire Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - ANSWER - 140,000 btu's
Solid state ignition is superior to spark because - ANSWER - It is not affected by
reduced voltage
What is an installation? - ANSWER - The complete setting in place, ready for operation,
of an oil burner appliance together with its accessories and equipment.
, How far must a power vent terminate from an opening or window? - ANSWER - 4'
A pump in a one pipe system that is full of air can be self purged. - ANSWER - False
List the minimum size of an oil supply line. - ANSWER - 3/8"
What is the first thing a tech should do when arriving at a no combustion call? -
ANSWER - Ask how many times the customer reset the unit.
What is the best long term solution for preventing a clogged nozzle? - ANSWER - -
Remove any underground storage tanks.
-Install a quality oil filter.
-Cut the suction line 10" above the tank outlet to prevent sludge.
Hot water and steam valves are interchangeable. - ANSWER - False
When in the presence of a flame, a cad cell normally reads.. - ANSWER - 300-1000
ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is
required. - ANSWER - True
On a call where a hydronic heat system is putting out too much heat on the stack, the
issue may be.. - ANSWER - -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - ANSWER - Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - ANSWER - Not enough
combustion air in the equipment room.
When multiple pumps are wired together in a heating system, they should be wired in.. -
ANSWER - parallel
In a series circuit.. - ANSWER - Current has one path.
When 2 burners are connected to the same chimney.. - ANSWER - Sufficient draft must
be obtained to operate both units.
The ignition transformer is located.. - ANSWER - In the primary control.
When safeties are wired in series one safety will affect the operation of the others. -
ANSWER - True
