Oil burner test Exam
Questions and Answers 100%
PASS
Number 2 oil has what btu's—ANSWER-140,000
Which fuel oil has the lowest viscosity—ANSWER-#1
Fuel oil is made up of mostly—ANSWER-Hydrogen/carbon
Flash point of #2 fuel oil is—ANSWER-115 degrees
Combustion triangle—ANSWER-oxygen, heat, fuel
vent pipes must be atleast ______ feet above or _______ feet below any
window or door. they must also be _____ get away from property line to
prevent sewer gas from drifting to neighbors house—ANSWER-3 feet above
or 5 feet below door or window.
3 feet from property line
To make combustion efficiency test, a whole must be made—ANSWER-In the
flue pipe before the draft control
What three colors does the NEC allowed to be used for ground wire?—
ANSWER-Green, bare of green with yellow stripe
, Is zero smoke and low CO2 or high 02 reading at the flue pipe and over the
fire is an indication of what—ANSWER-Too much air
A fan attached to the flu pipe at the exit terminal from the building, to pull
the products of combustion out of the heating unit—ANSWER-Power venting
Static pressure created by the burner fan, pushes the combustion gases
through the heat exchanger and out of the building—ANSWER-Direct
venting
Expansion tanks are needed, and what type of system—ANSWER-Hot water
A direct vented boiler is a positive pressure system, and no chimney is
needed—ANSWER-True
What are nozzles rated at?—ANSWER-Nozzles are rated in gallons per hour
at 100 pounds pressure
Zone control valves are controlled by—ANSWER-Thermostats
When a nozzle breaks fuel down into tiny droplets to create enough service
area for oxygen to better surround droplets—ANSWER-Atomizing
The thickness of fuel and resistance to flow—ANSWER-Viscosity
The temperature at which waxy Joe crystals form in the oil—ANSWER-Cloud
point
What is oils, carbon and hydrogen percentage?—ANSWER-85% carbon, 15%
hydrogen
Three main things needed for oil heating—ANSWER-Fuel, combustion/heat,
oxygen/air
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Katelyn Whitman
Questions and Answers 100%
PASS
Number 2 oil has what btu's—ANSWER-140,000
Which fuel oil has the lowest viscosity—ANSWER-#1
Fuel oil is made up of mostly—ANSWER-Hydrogen/carbon
Flash point of #2 fuel oil is—ANSWER-115 degrees
Combustion triangle—ANSWER-oxygen, heat, fuel
vent pipes must be atleast ______ feet above or _______ feet below any
window or door. they must also be _____ get away from property line to
prevent sewer gas from drifting to neighbors house—ANSWER-3 feet above
or 5 feet below door or window.
3 feet from property line
To make combustion efficiency test, a whole must be made—ANSWER-In the
flue pipe before the draft control
What three colors does the NEC allowed to be used for ground wire?—
ANSWER-Green, bare of green with yellow stripe
, Is zero smoke and low CO2 or high 02 reading at the flue pipe and over the
fire is an indication of what—ANSWER-Too much air
A fan attached to the flu pipe at the exit terminal from the building, to pull
the products of combustion out of the heating unit—ANSWER-Power venting
Static pressure created by the burner fan, pushes the combustion gases
through the heat exchanger and out of the building—ANSWER-Direct
venting
Expansion tanks are needed, and what type of system—ANSWER-Hot water
A direct vented boiler is a positive pressure system, and no chimney is
needed—ANSWER-True
What are nozzles rated at?—ANSWER-Nozzles are rated in gallons per hour
at 100 pounds pressure
Zone control valves are controlled by—ANSWER-Thermostats
When a nozzle breaks fuel down into tiny droplets to create enough service
area for oxygen to better surround droplets—ANSWER-Atomizing
The thickness of fuel and resistance to flow—ANSWER-Viscosity
The temperature at which waxy Joe crystals form in the oil—ANSWER-Cloud
point
What is oils, carbon and hydrogen percentage?—ANSWER-85% carbon, 15%
hydrogen
Three main things needed for oil heating—ANSWER-Fuel, combustion/heat,
oxygen/air
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Katelyn Whitman
