Oil Burner License Exam Questions With Complete Solutions.
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Course
Oil Burner License
Institution
Oil Burner License
Oil Burner License Exam Questions With Complete Solutions.
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...
oil burner license exam questions with complete so
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Oil Burner License Exam Questions With Complete
Solutions.
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.
What travels on the inside of the wire?
Volts
What does readily accessible mean pertaining to oil burning equipment?
Capable of being reached easily and quickly for operation, maintenance or inspection.
What is the minimum vent pipe on an oil tank?
1 1/4"
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