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