Oil Burner License || 100% VERIFIED QUESTIONS &
ANSWERS!!
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
If a high limit goes off, what does a low water switch do? correct answers Maintains water
temperature
What is flashpoint an indicator of? correct answers Minimum temperature oil will ignite but
not continue to burn.
What travels on the inside of the wire? correct answers Volts
What does readily accessible mean pertaining to oil burning equipment? correct answers
Capable of being reached easily and quickly for operation, maintenance or inspection.
, What is the minimum vent pipe on an oil tank? correct answers 1 1/4"
What causes corrosion on a flue pipe? correct answers When the flue pipe is operating below
the dew point temperature.
What are the methods to prevent oil waxing? correct answers 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 answers 660 gal
What is the purpose of a delayed oil valve? correct answers Allows time for the oil pump to
get up to speed.
Delays oil flow to the nozzle.
On a call where a hydronic heat system is putting out too much heat, the issue could be?
correct answers A shorted out thermostat.
When measuring a cad cell with the burner running and the ff terminals jumped out, what
should the cad cell reading be? correct answers 1600 ohms
What are the possible causes of soot at or near the power venter? correct answers Incomplete
combustion
What is a possible side effect of air in a nozzle line? correct answers Soot
What is the cause if the cad cell is tripped on safety? correct answers Dirty cad cell
Faulty cad cell
No flame present
If a boiler is running but the water temperature is low? correct answers Undersized nozzle
If a boiler is at 30 psi and the relief valve opens? correct answers Expansion tank is
undersized
Tank bladder is perforated
Tankless coil is leaking
Atomizing type burners were designed to burn which type of fuel? correct answers #2 oil
One gallon of #2 fuel oil contains approximately: correct answers 140,000 BTU's
ANSWERS!!
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
If a high limit goes off, what does a low water switch do? correct answers Maintains water
temperature
What is flashpoint an indicator of? correct answers Minimum temperature oil will ignite but
not continue to burn.
What travels on the inside of the wire? correct answers Volts
What does readily accessible mean pertaining to oil burning equipment? correct answers
Capable of being reached easily and quickly for operation, maintenance or inspection.
, What is the minimum vent pipe on an oil tank? correct answers 1 1/4"
What causes corrosion on a flue pipe? correct answers When the flue pipe is operating below
the dew point temperature.
What are the methods to prevent oil waxing? correct answers 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 answers 660 gal
What is the purpose of a delayed oil valve? correct answers Allows time for the oil pump to
get up to speed.
Delays oil flow to the nozzle.
On a call where a hydronic heat system is putting out too much heat, the issue could be?
correct answers A shorted out thermostat.
When measuring a cad cell with the burner running and the ff terminals jumped out, what
should the cad cell reading be? correct answers 1600 ohms
What are the possible causes of soot at or near the power venter? correct answers Incomplete
combustion
What is a possible side effect of air in a nozzle line? correct answers Soot
What is the cause if the cad cell is tripped on safety? correct answers Dirty cad cell
Faulty cad cell
No flame present
If a boiler is running but the water temperature is low? correct answers Undersized nozzle
If a boiler is at 30 psi and the relief valve opens? correct answers Expansion tank is
undersized
Tank bladder is perforated
Tankless coil is leaking
Atomizing type burners were designed to burn which type of fuel? correct answers #2 oil
One gallon of #2 fuel oil contains approximately: correct answers 140,000 BTU's
