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Oil Burner License exam with questions and correct answer graded A+|| latest update 2024/2025
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Oil Burner License exam with questions and correct answer graded A+|| latest update 2024/2025
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Oil Burner License exam with questions and correct answergraded A+|| latest update 2024/2025
What is the first thing a tech should do when arriving at a no combustion call? - CORRECT ANSWERS/
Ask how many times the customer reset the unit.
What is the best long term solution for preventing a clogged nozzle? - CORRECT ANSWERS/ -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. - CORRECT ANSWERS/ False
When in the presence of a flame, a cad cell normally reads.. - CORRECT ANSWERS/ 300-1000 ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is required. - CORRECT
ANSWERS/ True
On a call where a hydronic heat system is putting out too much heat on the stack, the issue may be.. -
CORRECT ANSWERS/ -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - CORRECT ANSWERS/ Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - CORRECT ANSWERS/ Not enough combustion
air in the equipment room.
,When multiple pumps are wired together in a heating system, they should be wired in.. - CORRECT
ANSWERS/ parallel
In a series circuit.. - CORRECT ANSWERS/ Current has one path.
When 2 burners are connected to the same chimney.. - CORRECT ANSWERS/ Sufficient draft must be
obtained to operate both units.
The ignition transformer is located.. - CORRECT ANSWERS/ In the primary control.
When safeties are wired in series one safety will affect the operation of the others. - CORRECT
ANSWERS/ True
A stack switch is no longer allowed to be installed or replaced because.. - CORRECT ANSWERS/ It's
safety cutout time is higher than what is now required.
What is a power venter and what does it do? - CORRECT ANSWERS/ 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? - CORRECT ANSWERS/ 140"
The difference between an adjustable flame retention burner and a fixed flame retention burner is? -
CORRECT ANSWERS/ 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.. - CORRECT
ANSWERS/ 527 CMR 9.0
, Heat is a form of.. - CORRECT ANSWERS/ Energy
If a burner is operational but the circulator pump isn't running.. - CORRECT ANSWERS/ The pump relay
is not working correctly
A method of dealing with low viscosity/cold temps with #2 oil? - CORRECT ANSWERS/ Increase pump
pressure/ decrease nozzle size
What is needed at the outlet of an oil tank? - CORRECT ANSWERS/ Thermal safety valve
Where do you obtain an installation permit for oil burners? - CORRECT ANSWERS/ Fire Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - CORRECT ANSWERS/ 140,000 btu's
Solid state ignition is superior to spark because - CORRECT ANSWERS/ It is not affected by reduced
voltage
What is an installation? - CORRECT ANSWERS/ 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? - CORRECT ANSWERS/ 4'
A pump in a one pipe system that is full of air can be self purged. - CORRECT ANSWERS/ False
List the minimum size of an oil supply line. - CORRECT ANSWERS/ 3/8"
A material with electrons so loose it allows voltage to pass with little or no resistance.. - CORRECT
ANSWERS/ Is a conductor
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