Oil Burners License Study Guide | 100% Correct
Answers | Verified | Latest 2024 Version
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
If a high limit goes off, what does a low water switch do? - ✔✔Maintains water temperature
What is flashpoint an indicator of? - ✔✔Minimum temperature oil will ignite but not continue to burn.
Answers | Verified | Latest 2024 Version
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
If a high limit goes off, what does a low water switch do? - ✔✔Maintains water temperature
What is flashpoint an indicator of? - ✔✔Minimum temperature oil will ignite but not continue to burn.
