JOURNEYMAN OIL MAINE FUEL BOARD
RULES EXAM WITH VERIFIED QUESTIONS
AND ANSWERS|| ALREADY GRADED A+ ||
GUARANTEED PASS || LATEST UPDATE 2025
What is an interrupted ignition? - ANSWER-The ignition spark remains on only
for a short time at the beginning of burner cycle, and shuts off once flame is
established
What is an intermittent ignition? - ANSWER-Spark remains on as long as the
burner is running
What is a stack switch or a stack relay? - ANSWER-A bi-metal that is used to
detect flame and to mechanically open and close electrical contacts to provide
burner control
Where would a stack relay commonly be found? - ANSWER-Typically
mounted in the flue pipe. May find one mounted directly into the flue collector
or heat exchanger
Does resistance increase or decrease when a cad cell detects a flame? -
ANSWER-Decrease
What is typical OHMS for a cad cell? - ANSWER-Around 400
Residential steam boilers operate at less than what psi? - ANSWER-2
,A down flow furnace shall be automatically operated and equipped with an
approved temp control that will limit outlet air to what temp? - ANSWER-200
A duct furnace shall have what clearance to walls, ceilings, and floors of
combustible materials? - ANSWER-6 inches
A duct furnace flue pipe shall be installed to provide a clearance to
combustibles of how many inches? - ANSWER-18 inches
A floor furnace shall be placed not closer than how many inches to the nearest
wall? And shall be placed so that a door, drapery, or similar object cannot be
nearer than how many inches? - ANSWER-6 inches
12 inches
Wall registered models shall not be placed closer than how many inches to a
corner? - ANSWER-6 inches
A floor furnace chimney connector shall be how far from combustibles? -
ANSWER-9 inches
Rooms containing medium heat appliances shall be provided with what? -
ANSWER-Ventilation
High heat appliances shall be installed with clearances to combustibles of not
less than how many feet at the side and rear? Above? And front? - ANSWER-
10 feet
15 feet
30 feet
, A miscellaneous air heater shall be a of a type designed to discharge air at a
temp not to exceed what? - ANSWER-250
For roof top units how far back from edge of roof should appliance be? -
ANSWER-6 feet
When shall chimney connectors be permitted to pass through a combustible
wall or partition? - ANSWER-When type L vent is used
A thimble shall be permitted to be used to facilitate removal of the chimney
connector for cleaning as long as the thimble is what? - ANSWER-Firmly
cemented in place with high temp cement
The chimney connector shall have a minimum pitch of what? - ANSWER-1/4 in
Each joint of the chimney connector shall be fastened with how many screws? -
ANSWER-At least 3
The entire length of the chimney connector shall be accessible for what? -
ANSWER-Inspection, cleaning, and replacement
How and where should auxiliary tanks be filled? - ANSWER-Pump transfer
from supply tank
Where should auxiliary tanks be located? - ANSWER-At a level above the top
of the supply tank from which they are filled
A tank who's capacity does not exceed 660 gallons shall be permited to be
installed outside and adjacent to a building provided they are separated from the
adjoining property by what distance?
Tanks 275 and under?
RULES EXAM WITH VERIFIED QUESTIONS
AND ANSWERS|| ALREADY GRADED A+ ||
GUARANTEED PASS || LATEST UPDATE 2025
What is an interrupted ignition? - ANSWER-The ignition spark remains on only
for a short time at the beginning of burner cycle, and shuts off once flame is
established
What is an intermittent ignition? - ANSWER-Spark remains on as long as the
burner is running
What is a stack switch or a stack relay? - ANSWER-A bi-metal that is used to
detect flame and to mechanically open and close electrical contacts to provide
burner control
Where would a stack relay commonly be found? - ANSWER-Typically
mounted in the flue pipe. May find one mounted directly into the flue collector
or heat exchanger
Does resistance increase or decrease when a cad cell detects a flame? -
ANSWER-Decrease
What is typical OHMS for a cad cell? - ANSWER-Around 400
Residential steam boilers operate at less than what psi? - ANSWER-2
,A down flow furnace shall be automatically operated and equipped with an
approved temp control that will limit outlet air to what temp? - ANSWER-200
A duct furnace shall have what clearance to walls, ceilings, and floors of
combustible materials? - ANSWER-6 inches
A duct furnace flue pipe shall be installed to provide a clearance to
combustibles of how many inches? - ANSWER-18 inches
A floor furnace shall be placed not closer than how many inches to the nearest
wall? And shall be placed so that a door, drapery, or similar object cannot be
nearer than how many inches? - ANSWER-6 inches
12 inches
Wall registered models shall not be placed closer than how many inches to a
corner? - ANSWER-6 inches
A floor furnace chimney connector shall be how far from combustibles? -
ANSWER-9 inches
Rooms containing medium heat appliances shall be provided with what? -
ANSWER-Ventilation
High heat appliances shall be installed with clearances to combustibles of not
less than how many feet at the side and rear? Above? And front? - ANSWER-
10 feet
15 feet
30 feet
, A miscellaneous air heater shall be a of a type designed to discharge air at a
temp not to exceed what? - ANSWER-250
For roof top units how far back from edge of roof should appliance be? -
ANSWER-6 feet
When shall chimney connectors be permitted to pass through a combustible
wall or partition? - ANSWER-When type L vent is used
A thimble shall be permitted to be used to facilitate removal of the chimney
connector for cleaning as long as the thimble is what? - ANSWER-Firmly
cemented in place with high temp cement
The chimney connector shall have a minimum pitch of what? - ANSWER-1/4 in
Each joint of the chimney connector shall be fastened with how many screws? -
ANSWER-At least 3
The entire length of the chimney connector shall be accessible for what? -
ANSWER-Inspection, cleaning, and replacement
How and where should auxiliary tanks be filled? - ANSWER-Pump transfer
from supply tank
Where should auxiliary tanks be located? - ANSWER-At a level above the top
of the supply tank from which they are filled
A tank who's capacity does not exceed 660 gallons shall be permited to be
installed outside and adjacent to a building provided they are separated from the
adjoining property by what distance?
Tanks 275 and under?
