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OIL BURNER LICENSE EXAM 2024| 250 ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS| GRADED A+
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OIL BURNER LICENSE EXAM 2024| 250 ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS| GRADED A+
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OIL BURNER LICENSE EXAM 2024| 250 ACTUAL EXAMQUESTIONS AND 100% CORRECT ANSWERS| GRADED A+
What is the first thing a tech should do when arriving at a no combustion call? - CORRECT ANS✔✔ Ask
how many times the customer reset the unit.
What is the best long term solution for preventing a clogged nozzle? - CORRECT ANS✔✔ -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 ANS✔✔
False
When in the presence of a flame, a cad cell normally reads.. - CORRECT ANS✔✔ 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
ANS✔✔ True
On a call where a hydronic heat system is putting out too much heat on the stack, the issue may be.. -
CORRECT ANS✔✔ -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - CORRECT ANS✔✔ Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - CORRECT ANS✔✔ Not enough combustion air in
the equipment room.
When multiple pumps are wired together in a heating system, they should be wired in.. - CORRECT
,ANS✔✔ parallel
In a series circuit.. - CORRECT ANS✔✔ Current has one path.
When 2 burners are connected to the same chimney.. - CORRECT ANS✔✔ Sufficient draft must be
obtained to operate both units.
The ignition transformer is located.. - CORRECT ANS✔✔ In the primary control.
When safeties are wired in series one safety will affect the operation of the others. - CORRECT ANS✔✔
True
A stack switch is no longer allowed to be installed or replaced because.. - CORRECT ANS✔✔ It's safety
cutout time is higher than what is now required.
What is a power venter and what does it do? - CORRECT ANS✔✔ 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 ANS✔✔ 140"
The difference between an adjustable flame retention burner and a fixed flame retention burner is? -
CORRECT ANS✔✔ 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 ANS✔✔
527 CMR 9.0
Heat is a form of.. - CORRECT ANS✔✔ Energy
If a burner is operational but the circulator pump isn't running.. - CORRECT ANS✔✔ The pump relay is
not working correctly
A method of dealing with low viscosity/cold temps with #2 oil? - CORRECT ANS✔✔ Increase pump
pressure/ decrease nozzle size
What is needed at the outlet of an oil tank? - CORRECT ANS✔✔ Thermal safety
valve
Where do you obtain an installation permit for oil burners? - CORRECT ANS✔✔
Fire Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - CORRECT ANS✔✔
140,000 btu's
Solid state ignition is superior to spark because - CORRECT ANS✔✔ It is not affected by reduced voltage
What is an installation? - CORRECT ANS✔✔ 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
ANS✔✔ 4' A pump in a one pipe system that is full of air can be self purged. -
CORRECT ANS✔✔ False List the minimum size of an oil supply line. - CORRECT
ANS✔✔ 3/8"
, A material with electrons so loose it allows voltage to pass with little or no resistance.. - CORRECT
ANS✔✔ Is a conductor
If a high limit goes off, what does a low water switch do? - CORRECT ANS✔✔ Maintains water
temperature
What is flashpoint an indicator of? - CORRECT ANS✔✔ Minimum temperature oil will ignite but not
continue to burn.
What travels on the inside of the wire? - CORRECT ANS✔✔ Volts
What does readily accessible mean pertaining to oil burning equipment? - CORRECT ANS✔✔ Capable
of being reached easily and quickly for operation, maintenance or inspection.
What is the minimum vent pipe on an oil tank? - CORRECT ANS✔✔ 1 1/4"
What causes corrosion on a flue pipe? - CORRECT ANS✔✔ When the flue pipe is operating below the
dew point temperature.
What are the methods to prevent oil waxing? - CORRECT ANS✔✔ Put additives in the fuel.
Add an oil line heater.
Cut with #1 fuel or kerosene.
What is the maximum tank size allowed inside unenclosed? - CORRECT ANS✔✔ 660 gal
What is the purpose of a delayed oil valve? - CORRECT ANS✔✔ Allows time for the oil pump to get up to
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