Journeyman Oil Maine Fuel Board
Rules FINAL EXAM PREP 2025/2026
ACCURATE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100%
GUARANTEED PASS <LATEST VERSION>
A chimney shall not pass through what? - ANSWER ✓ A floor or a ceiling
A chimney connector of low, medium, or high heat industrial appliance shall not
pass through what? - ANSWER ✓ Combustible wall or partition
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
Connectors for appliances installed in attics of crawl spaces shall be what type of
connectors? - ANSWER ✓ Type L or a factory built chimney connector listed for
the purpose, or the appliance shall be attached directly to the chimney
If two or more openings are provided into a chimney flue what levels shall they be
at? And where shall the smaller connector enter? - ANSWER ✓ Different levels
Higher level
, What type of fuel burning appliances shall be permitted to be connected to the
same flue? What type of fuel is not allowed? - ANSWER ✓ Gas is allowed
Solid fuel is not
Minimum thickness for steel piper connectors
Up to 9in
>9 up to 10
>10 up to 16
>16 - ANSWER ✓ Sheet metal gauge
26
24
22
16
The flue gas exit of a chimney shall be at least how many feet above the highest
point where it passes through a roof? And at least how many feet higher than any
portion of a building within how many feet? - ANSWER ✓ 3ft
2ft
10ft
All portions of a mechanical draft system under positive pressure during operation
shall be designed and installed as to prevent what? - ANSWER ✓ Leakage of flue
gas into the building
The flue gas exit of a TYPE L venting system shall be at least how many feet
above the highest point where it passes through the rood of a building and how
many feet higher than any portion of a building within how many feet? -
ANSWER ✓ 2 feet
2 feet
10 feet
Where should combustion air inlet and flue gas outlet of a DIRECT VENT
appliance terminate in relevance to each other? - ANSWER ✓ The same plane and
same ambient pressure zone
A venting system that terminates the sidewall of a structure shall terminate how
many feet above any air inlet that is within how many feet? - ANSWER ✓ 3 feet
, 10 feet
The flue gas outlet of an appliance other than a direct vent appliance shall
terminate how many fee below, how man feet horizontally from, how many feet
above any door windows , or gravity air inlet of the structure. And how many feet
above grade? - ANSWER ✓ 4 feet
4 feet
1 foot
1 foot
The combustion air inlet and flue gas outlet of a direct vent appliance or the flue
gas outlet of an appliance other than a direct vent appliance shall terminate how
many feet from the soffit of the roof? And how many feet from the inside structure
of an inside corner of an L-Shaped structure - ANSWER ✓ 1 foot
3 feet
The exit terminal of a mechanical draft system shall not be less than how many
feet above grade when located adjacent to a public walkway? - ANSWER ✓ 7 feet
Any air inlet and any flue gas outlet of any appliance shall terminate how many
feet from the vent outlet of a liquid fuel supply tank? - ANSWER ✓ 5 feet
Minimum diameter of tank vent opening
660 gallons or less
661-3,000
3,001-10,000
10,001-20,000
20,001-35,000 - ANSWER ✓ 1 1/4
1 1/2
2
2 1/2
3
Tanks shall be permitted to be operated under normal operating pressures that do
not exceed what gauge pressure? But will be limited to what gauge pressure under
emergency venting conditions? - ANSWER ✓ 1 PSI
2.5 PSI
Rules FINAL EXAM PREP 2025/2026
ACCURATE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100%
GUARANTEED PASS <LATEST VERSION>
A chimney shall not pass through what? - ANSWER ✓ A floor or a ceiling
A chimney connector of low, medium, or high heat industrial appliance shall not
pass through what? - ANSWER ✓ Combustible wall or partition
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
Connectors for appliances installed in attics of crawl spaces shall be what type of
connectors? - ANSWER ✓ Type L or a factory built chimney connector listed for
the purpose, or the appliance shall be attached directly to the chimney
If two or more openings are provided into a chimney flue what levels shall they be
at? And where shall the smaller connector enter? - ANSWER ✓ Different levels
Higher level
, What type of fuel burning appliances shall be permitted to be connected to the
same flue? What type of fuel is not allowed? - ANSWER ✓ Gas is allowed
Solid fuel is not
Minimum thickness for steel piper connectors
Up to 9in
>9 up to 10
>10 up to 16
>16 - ANSWER ✓ Sheet metal gauge
26
24
22
16
The flue gas exit of a chimney shall be at least how many feet above the highest
point where it passes through a roof? And at least how many feet higher than any
portion of a building within how many feet? - ANSWER ✓ 3ft
2ft
10ft
All portions of a mechanical draft system under positive pressure during operation
shall be designed and installed as to prevent what? - ANSWER ✓ Leakage of flue
gas into the building
The flue gas exit of a TYPE L venting system shall be at least how many feet
above the highest point where it passes through the rood of a building and how
many feet higher than any portion of a building within how many feet? -
ANSWER ✓ 2 feet
2 feet
10 feet
Where should combustion air inlet and flue gas outlet of a DIRECT VENT
appliance terminate in relevance to each other? - ANSWER ✓ The same plane and
same ambient pressure zone
A venting system that terminates the sidewall of a structure shall terminate how
many feet above any air inlet that is within how many feet? - ANSWER ✓ 3 feet
, 10 feet
The flue gas outlet of an appliance other than a direct vent appliance shall
terminate how many fee below, how man feet horizontally from, how many feet
above any door windows , or gravity air inlet of the structure. And how many feet
above grade? - ANSWER ✓ 4 feet
4 feet
1 foot
1 foot
The combustion air inlet and flue gas outlet of a direct vent appliance or the flue
gas outlet of an appliance other than a direct vent appliance shall terminate how
many feet from the soffit of the roof? And how many feet from the inside structure
of an inside corner of an L-Shaped structure - ANSWER ✓ 1 foot
3 feet
The exit terminal of a mechanical draft system shall not be less than how many
feet above grade when located adjacent to a public walkway? - ANSWER ✓ 7 feet
Any air inlet and any flue gas outlet of any appliance shall terminate how many
feet from the vent outlet of a liquid fuel supply tank? - ANSWER ✓ 5 feet
Minimum diameter of tank vent opening
660 gallons or less
661-3,000
3,001-10,000
10,001-20,000
20,001-35,000 - ANSWER ✓ 1 1/4
1 1/2
2
2 1/2
3
Tanks shall be permitted to be operated under normal operating pressures that do
not exceed what gauge pressure? But will be limited to what gauge pressure under
emergency venting conditions? - ANSWER ✓ 1 PSI
2.5 PSI
