Maine Oil Journeyman
Questions and Complete
Solutions Graded A+
When a furnace, HWH, or boiler is installed, the total installation should fall under what requirements? -
Answer: NFPA 31
Where tanks are heated by steam coils the steam coils shall not exceed what pressure? - Answer: 15 PSI
What pressure are tanks tested under? - Answer: 5 PSI
Where shall a LWCO be installed? - Answer: level recommended by manufacturer, in no case below
crown sheet
Furnace plenums shall be located a minimum of _____ from the heat exchanger measured along the
centerline of airflow? - Answer: 36 in
Rigid or flexible air duct shall not be used in an air duct containing air at a temperature in excess of
______________________. - Answer: 121°C (250°F)
The regulator vent shall terminate at least _______ from a source of ignition. - Answer: 3 ft
all licenses expire __________________ from the date of issuance. - Answer: 2 years
When a situation arises that does not allow adequate time to get chimeny lined/repaired before
installing a new heating appliance, the licensee may defer the repairs for up to _______________. -
Answer: 90 days
, All fuel oil supply tanks must be a minimum of how many feet from any gas or solid fuel burning
appliance? - Answer: 5 ft
a horizontal oil supply steel pipe legs shall not exceed _________ in length. - Answer: 12"
Whenever a tank is repaired with a tank patch, the tank must be replaced within __________ of the
repair. - Answer: 30 days
A service disconnect switch for control of the burner while observing the flame must be placed at the
unit ________________________________ . - Answer: within arms reach of the technician
Steam safety or pressure relief valves which terminate in the structure must terminate
_____________________ off the floor. - Answer: 6-12" In
What height does an oil fired appliance need to be in a parking garage from floor? - Answer: 18" in
Heating appliances may be located in a separate room with walls constructed to prevent transmission of
vapors to the classified area and no opening SHALL be lower than __________. Openings in the wall for
piping or conduit must be sealed with fire resistant materials. - Answer: 8" in
Gas and oil appliances may be located in the dispensing, transferring area providing the unit is at least
________ above the floor. - Answer: 8 ft
Return air openings MUST be a minimum of _______ above the floor of the repair garages and fuel
dispensing area. - Answer: 18" in
What size should a chimney connector be? - Answer: as short as possible
What is breach draft? - Answer: -0.3 to -0.7
If free area of metal louver is not known what free area shall be assumed? - Answer: 60%-75%
Questions and Complete
Solutions Graded A+
When a furnace, HWH, or boiler is installed, the total installation should fall under what requirements? -
Answer: NFPA 31
Where tanks are heated by steam coils the steam coils shall not exceed what pressure? - Answer: 15 PSI
What pressure are tanks tested under? - Answer: 5 PSI
Where shall a LWCO be installed? - Answer: level recommended by manufacturer, in no case below
crown sheet
Furnace plenums shall be located a minimum of _____ from the heat exchanger measured along the
centerline of airflow? - Answer: 36 in
Rigid or flexible air duct shall not be used in an air duct containing air at a temperature in excess of
______________________. - Answer: 121°C (250°F)
The regulator vent shall terminate at least _______ from a source of ignition. - Answer: 3 ft
all licenses expire __________________ from the date of issuance. - Answer: 2 years
When a situation arises that does not allow adequate time to get chimeny lined/repaired before
installing a new heating appliance, the licensee may defer the repairs for up to _______________. -
Answer: 90 days
, All fuel oil supply tanks must be a minimum of how many feet from any gas or solid fuel burning
appliance? - Answer: 5 ft
a horizontal oil supply steel pipe legs shall not exceed _________ in length. - Answer: 12"
Whenever a tank is repaired with a tank patch, the tank must be replaced within __________ of the
repair. - Answer: 30 days
A service disconnect switch for control of the burner while observing the flame must be placed at the
unit ________________________________ . - Answer: within arms reach of the technician
Steam safety or pressure relief valves which terminate in the structure must terminate
_____________________ off the floor. - Answer: 6-12" In
What height does an oil fired appliance need to be in a parking garage from floor? - Answer: 18" in
Heating appliances may be located in a separate room with walls constructed to prevent transmission of
vapors to the classified area and no opening SHALL be lower than __________. Openings in the wall for
piping or conduit must be sealed with fire resistant materials. - Answer: 8" in
Gas and oil appliances may be located in the dispensing, transferring area providing the unit is at least
________ above the floor. - Answer: 8 ft
Return air openings MUST be a minimum of _______ above the floor of the repair garages and fuel
dispensing area. - Answer: 18" in
What size should a chimney connector be? - Answer: as short as possible
What is breach draft? - Answer: -0.3 to -0.7
If free area of metal louver is not known what free area shall be assumed? - Answer: 60%-75%
