OIL BURNER LICENSE FINAL EXAM
QUESTIONS WITH CORRECT DETAILED
ANSWERS || ALREADY GRADED A+
<RECENT VERSION>
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 is 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
resistanc. - ANSWER Is a conductor
QUESTIONS WITH CORRECT DETAILED
ANSWERS || ALREADY GRADED A+
<RECENT VERSION>
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 is 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
resistanc. - ANSWER Is a conductor
