Oil Burner License Exam
Questions And Correct 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
Questions And Correct 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
