2025/2026 NEW OIL BURNER LICENSE
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+ TESTED AND APPROVED!!!
On a residential hydronic heating system the devices used for water expansion
is an - ANSWER- Expansion tank
Sulfric Acid in combustion gases can - ANSWER- Create scale buildup in the
heat exchanger
How many BTUs are in one gallon of No.2 fuel oil - ANSWER- 140,000 BTUs
It is common for the oil burner and blower to come on at the same time on a
warm air system - ANSWER- False
If a newly installed oil line cannot be fully visually inspected you must -
ANSWER- Install an oil safety valve
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Flue pipes must terminate outside of the building at a point at least —— feet
away from any building opening at the same or lower level - ANSWER- 4
Adequate breaching draft will always reduce the risk of CO in a structure -
ANSWER- True
Increasing the fuel pump pressure will - ANSWER- Increase the flow rate
On a no heat call a cad cell primary control fires when TT is jumped out because
- ANSWER- The thermometer of the thermostat wires are no good
What is the largest amount of oil that can be stored with an exposed tank -
ANSWER- 660 gallons
Off cycle heat loss is created by air flow through the heat exchanger and up the
chimney. Which of the following is NOT a factor in off cycle losses -
ANSWER- The oil pump pressure
When the excess oil is bypassed back to the tank from the pressure regulator it's
called an external bypass system - ANSWER- False
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A storage tank that has greater than —— gallon capacity, other than an outside
above ground tank shall be filled only through a fill pipe which terminates
outside the building - ANSWER- 60
When the light intensity that the cad cell senses increases the resistance
measured in ohms will - ANSWER- Decrease
All fill and vent piping shall be made of: - ANSWER- - Steel
- Brass
- Pipe-malleable
Piping used in the installation of oil burners? - ANSWER- 3/8 (1/2 O.D.)
LWCO are required on all steam and water boilers over
______________________ BTU's - ANSWER- 400,000
True or False:
An inground tank inspection pit can be in a basement - ANSWER- False
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Liquid tight silver ramp should be at least _________ high - ANSWER- 6"
When do you need a draft regulator? - ANSWER- "As with all oil heat
appliances always follow manufactures instructions"
The cross connection between two supply tanks shall not exceed? - ANSWER-
660 gallons When is an automatic draft control not required? - ANSWER- When
the equipment is so designed to control the draft
Combustion performance testing can indicate: - ANSWER- - Improper air oil
mixture
- Too much combustion air
- Low pump pressure
If a second oil-burning appliance is installed in a single chimney, you must
ensure: - ANSWER- Sufficient draft is available for safe operation of all
connected equipment
Delayed ignition can be caused by: - ANSWER- Weak ignition transformer