Oil Burners license test QUESTIONS
AND ANSWERS
The main function of the primary control is: - CORRECT ANSWER-Locking out on
safety in the event of flame failure
Power must be provided to an electric blower control board on terminals: - CORRECT
ANSWER-L1 and L2
Once a PSC motor starts - CORRECT ANSWER-The centrifugal switch turns off the
electricity to the capacitor and the start windings
Materials who's electrons are so loosely bound that they can be persuaded to move with
very little pressure allowing electricity to flow are called - CORRECT ANSWER-
Conductors
Oil burners can make CO even when no smoke is present - CORRECT ANSWER-True
Corrosion in the flu pipe may occur if - CORRECT ANSWER-Flue gas temperature is
below the dewpoint and sulfur oxide's combine with water
To avoid condensing and the flu pipe and oil fired appliance should have a minimum
growth stock temperature of - CORRECT ANSWER-350°F
All persons assisting and working under the supervision of a person holding a certificate
as an oil burner technician must hold current apprentice certificates issued by
Department of fire services - CORRECT ANSWER-True
What size pipe is used to cross connect tank outlets piping - CORRECT ANSWER-1/2
inch
Fuel return piping from an appliance shall - CORRECT ANSWER-Enter the top of the
tank
Delayed ignition may be caused by - CORRECT ANSWER-Unvented pressure
regulator
Installation of oil safety valves and oil pressure reducing valve - CORRECT ANSWER-
Reduces the chance of a return line leak
, What is an installation - CORRECT ANSWER-Complete and ready for operation of any
oil burning appliance
Energizing the ignition circuit during the entire burn cycle reduces - CORRECT
ANSWER-Ignition component life
Fuel can be transferred from a tank to an appliance by pressurizing the tank -
CORRECT ANSWER-False
What device must be equipped with an air proving switch - CORRECT ANSWER-Both,
draft inducers and power-venters
What is a safety control - CORRECT ANSWER-Any control used to prevent unsafe
operation of the controlled equipment
A non-resident steam or hot water boiler having a minimum safety relief valve capacity
over 200,000 BTU/hr requires certificate of inspection from the department of fire
services - CORRECT ANSWER-Prior to the initial firing, every 3 years after
What is the closest distance a supply tank can be to the burner - CORRECT ANSWER-
5 feet
Doing a combustion pretest on and oil burning appliance will not tell you anything this is
why they generally are performed - CORRECT ANSWER-False
What is the minimum oil supply line size for a residential system - CORRECT
ANSWER-3/8 inch
A cad cell primary control can lock out safety because - CORRECT ANSWER-All of the
above- dirty, faulty, not sensing flame
As heating oil gets colder it's viscosity thickens: - CORRECT ANSWER-Increase
The purpose of the oil burner nozzle is to: - CORRECT ANSWER-Atomize, pattern and
meter the oil
The primary control must be capable of - CORRECT ANSWER-All of the above
A decrease in CO2 with an increase in excess air will give a drop in stack temperature -
CORRECT ANSWER-True
Minimum net stack temperature of above 350°F must be maintained - CORRECT
ANSWER-To avoid condensation and maintain draft
The primary control must be capable of reacting to - CORRECT ANSWER-The
presence or absence of flame
AND ANSWERS
The main function of the primary control is: - CORRECT ANSWER-Locking out on
safety in the event of flame failure
Power must be provided to an electric blower control board on terminals: - CORRECT
ANSWER-L1 and L2
Once a PSC motor starts - CORRECT ANSWER-The centrifugal switch turns off the
electricity to the capacitor and the start windings
Materials who's electrons are so loosely bound that they can be persuaded to move with
very little pressure allowing electricity to flow are called - CORRECT ANSWER-
Conductors
Oil burners can make CO even when no smoke is present - CORRECT ANSWER-True
Corrosion in the flu pipe may occur if - CORRECT ANSWER-Flue gas temperature is
below the dewpoint and sulfur oxide's combine with water
To avoid condensing and the flu pipe and oil fired appliance should have a minimum
growth stock temperature of - CORRECT ANSWER-350°F
All persons assisting and working under the supervision of a person holding a certificate
as an oil burner technician must hold current apprentice certificates issued by
Department of fire services - CORRECT ANSWER-True
What size pipe is used to cross connect tank outlets piping - CORRECT ANSWER-1/2
inch
Fuel return piping from an appliance shall - CORRECT ANSWER-Enter the top of the
tank
Delayed ignition may be caused by - CORRECT ANSWER-Unvented pressure
regulator
Installation of oil safety valves and oil pressure reducing valve - CORRECT ANSWER-
Reduces the chance of a return line leak
, What is an installation - CORRECT ANSWER-Complete and ready for operation of any
oil burning appliance
Energizing the ignition circuit during the entire burn cycle reduces - CORRECT
ANSWER-Ignition component life
Fuel can be transferred from a tank to an appliance by pressurizing the tank -
CORRECT ANSWER-False
What device must be equipped with an air proving switch - CORRECT ANSWER-Both,
draft inducers and power-venters
What is a safety control - CORRECT ANSWER-Any control used to prevent unsafe
operation of the controlled equipment
A non-resident steam or hot water boiler having a minimum safety relief valve capacity
over 200,000 BTU/hr requires certificate of inspection from the department of fire
services - CORRECT ANSWER-Prior to the initial firing, every 3 years after
What is the closest distance a supply tank can be to the burner - CORRECT ANSWER-
5 feet
Doing a combustion pretest on and oil burning appliance will not tell you anything this is
why they generally are performed - CORRECT ANSWER-False
What is the minimum oil supply line size for a residential system - CORRECT
ANSWER-3/8 inch
A cad cell primary control can lock out safety because - CORRECT ANSWER-All of the
above- dirty, faulty, not sensing flame
As heating oil gets colder it's viscosity thickens: - CORRECT ANSWER-Increase
The purpose of the oil burner nozzle is to: - CORRECT ANSWER-Atomize, pattern and
meter the oil
The primary control must be capable of - CORRECT ANSWER-All of the above
A decrease in CO2 with an increase in excess air will give a drop in stack temperature -
CORRECT ANSWER-True
Minimum net stack temperature of above 350°F must be maintained - CORRECT
ANSWER-To avoid condensation and maintain draft
The primary control must be capable of reacting to - CORRECT ANSWER-The
presence or absence of flame
