OIL HEAT EXAM NEWEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
A person holding an oil burner certificate of compency can
perform wiring on what part of the system - ANSWER-From
thermal switch on
Where must thermal switch be located - ANSWER-In the power
line with in 6 ft over appliances
Where is the service man switch located - ANSWER-Where
service man can view the fire and maximum of three feet from
burner
Oil burners must be electrically supplied how - ANSWER-It's own
branch circuit from panel
What is the pitch of a chimney connector - ANSWER-1/4 pitch per
foot of length
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Usual types of frames - ANSWER-M or N flange mounting frame
How must a chimney connector be fasted together - ANSWER-At
least 3 screws 1/2 or more from section join
Where must a power vent system terminate - ANSWER-At least
four feet below or horizontal from a window, one foot above the
door, window or air inlet and at least 12" above grade
Chimney connector for natural draft can be up tp how long -
ANSWER-Shall not exceed 10 ft
The chimney shall be capable of what - ANSWER-Not less than
that for which the appliance connected manufacturer
recommends
What is the safety timing of a gas pilot ignition - ANSWER-15
seconds
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When is the combustion efficiency test required by law -
ANSWER-When a permit is required a test must be done before it
will be granted
Oil tanks less than 10 gallons cannot be less than _____ ft from
the heat source - ANSWER-2 Ft
Oil tanks more than ten gallons cannot be less than ——- ft from
a heat source - ANSWER-5 ft
Materials can be used for oil supply or return lines? - ANSWER-
Stainless steel, steel, brass pipe or copper tubing
Minimum size copper tubbing that can be used for oil supply and
return line - ANSWER-3/8" nominal
Oil tanks from 660 to 1320 gallons must meet what standards -
ANSWER-UL142
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Oil tanks from 10 to 660 gallons must meet what standards -
ANSWER-UL80
What must be done with fill and vent piping if oil tanks is removed
- ANSWER-Remove all piping
How must the crimped end of a single wall flue connector pipe be
installed - ANSWER-Toward the chimney
How is a power vent sized - ANSWER-Maximum input of
appliances
What must be done to oil supply line that comes in contact with
concrete on earth - ANSWER-Continuous non metallic. Sleeve
that extends 4" past contacted material
Readily accessible hand operated fusible spring loaded valve
installed where on oil line - ANSWER-One near burner one near
tank