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OIL BURNER LICENSE EXAM AND PRACTICE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100% GUARANTEED PASS! $25.99
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OIL BURNER LICENSE EXAM AND PRACTICE EXAM LATEST 2024-2025 WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED
A+ 100% GUARANTEED PASS!
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
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"
A material with electrons so loose it allows voltage to pass with little or no
resistance.. - ANSWER-Is a conductor
If a high limit goes off, what does a low water switch do? - ANSWER-Maintains
water temperature
What is flashpoint an indicator of? - ANSWER-Minimum temperature oil will
ignite but not continue to burn.
What travels on the inside of the wire? - ANSWER-Volts
What does readily accessible mean pertaining to oil burning equipment? -
ANSWER-Capable of being reached easily and quickly for operation,
maintenance or inspection.
What is the minimum vent pipe on an oil tank? - ANSWER-1 1/4"
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