Maine State Journeyman Exam
Questions And Correct Answers
What must you do if you notice code violations in a homeowners house?
Notify them and recommend ways to address them
What must be done when performing an annual tune-up on a heating system?
A combustion efficiency test and a copy must be posted on site
Whenever a furnace, direct fired hot water heater, or boiler is installed the total
installation must be brought into compliance with what requirements BEFORE
appliance can be fired?
NFPA 31
When an emergency arises that does not allow adequate time to get a chimney
lined/and or repaired before installing the new heating appliance the licensee may
defer the required repairs for how long?
90 days
,What must be performed before a new installation?
A heat loss system design and load calculation. A copy must be retained to be presented
upon request of board inspector
All oil fired BOILERS must be provided with a properly installed and operating what?
Low Water cut off
Where shall a low water cutoff be installed?
At the level recommended by the manufacture, but in no case below the crown sheet
If the low water cut off is not installed directly in the boiler where may it be installed?
Main supply line (vertical riser) as close to boiler as possible, or in a water column of
continuous piping attached directly to the boiler
A listed lever or wheel thermally operated oil shut off valve must be installed where?
At the burner and the oil supply tank
When outside tanks are used a thermally operated shut off valve must be installed
where?
The supply line enters the inside of the building and where the oil line enters the room
where the appliance is located
,When inside tanks are used and the oil supply tank is installed in a separate room, a
thermally shutoff valve must be installed where?
Where the line enters the room where the appliance is located
Whenever the oil supply is taken from the top of an oil tank a thermally operated
wheel or lever type shut-off valve must be installed where?
At the tank and at the burner
What may be installed in the supply line but not a return line?
A check valve
All copper oil supply and return lines must be encased in a continuous piece of no
metallic liquid tight conduit such as PVC, ENT, coated copper tubing. The end of the
conduit shall not exceed how far from any connection except the connection at fuel
tank?
2 inches
In order to avoid undetected oil leaks under floors, the conduit must be how much
bigger than the supply and return lines?
One pipe size larger
, An oil supply line that penetrates a foundation wall must be what?
Sealed
What must coated copper tubing have installed at the tank when used underground?
Oils Safety Valve or PRV
When an oil filter or other accessory equipment is connected to a copper piping
smaller than 3/4 "and is not directly connected to the oil tank or burner the filter or
other device must be what?
Rigidly supported by wall or floor mounted brackets
What must supply and return lines be connected with?
Flare fittings
What fittings shall not be used unless for introduction of lines at top of the tank with a
single or double tap bushing?
Compression fittings
Questions And Correct Answers
What must you do if you notice code violations in a homeowners house?
Notify them and recommend ways to address them
What must be done when performing an annual tune-up on a heating system?
A combustion efficiency test and a copy must be posted on site
Whenever a furnace, direct fired hot water heater, or boiler is installed the total
installation must be brought into compliance with what requirements BEFORE
appliance can be fired?
NFPA 31
When an emergency arises that does not allow adequate time to get a chimney
lined/and or repaired before installing the new heating appliance the licensee may
defer the required repairs for how long?
90 days
,What must be performed before a new installation?
A heat loss system design and load calculation. A copy must be retained to be presented
upon request of board inspector
All oil fired BOILERS must be provided with a properly installed and operating what?
Low Water cut off
Where shall a low water cutoff be installed?
At the level recommended by the manufacture, but in no case below the crown sheet
If the low water cut off is not installed directly in the boiler where may it be installed?
Main supply line (vertical riser) as close to boiler as possible, or in a water column of
continuous piping attached directly to the boiler
A listed lever or wheel thermally operated oil shut off valve must be installed where?
At the burner and the oil supply tank
When outside tanks are used a thermally operated shut off valve must be installed
where?
The supply line enters the inside of the building and where the oil line enters the room
where the appliance is located
,When inside tanks are used and the oil supply tank is installed in a separate room, a
thermally shutoff valve must be installed where?
Where the line enters the room where the appliance is located
Whenever the oil supply is taken from the top of an oil tank a thermally operated
wheel or lever type shut-off valve must be installed where?
At the tank and at the burner
What may be installed in the supply line but not a return line?
A check valve
All copper oil supply and return lines must be encased in a continuous piece of no
metallic liquid tight conduit such as PVC, ENT, coated copper tubing. The end of the
conduit shall not exceed how far from any connection except the connection at fuel
tank?
2 inches
In order to avoid undetected oil leaks under floors, the conduit must be how much
bigger than the supply and return lines?
One pipe size larger
, An oil supply line that penetrates a foundation wall must be what?
Sealed
What must coated copper tubing have installed at the tank when used underground?
Oils Safety Valve or PRV
When an oil filter or other accessory equipment is connected to a copper piping
smaller than 3/4 "and is not directly connected to the oil tank or burner the filter or
other device must be what?
Rigidly supported by wall or floor mounted brackets
What must supply and return lines be connected with?
Flare fittings
What fittings shall not be used unless for introduction of lines at top of the tank with a
single or double tap bushing?
Compression fittings
