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