Maine Fuel Board Tank Setter Practice Questions and Answers//
Already Graded A+!! 2026 Update
What is the minimum distance between a direct fire vaporizer and container shut off valves? -
correct answer 5ft
What is the minimum distance between direct fire vaporizer and an above ground LP container? -
correct answer 10ft
What type of fencing is allowed around an LP tank? -correct answer 6ft high industrial fencing
What statement between static electricity and relative humidity is true? -correct answer When
humidity is low static charge is high
When is a permit required for a rooftop installation of an LP tank? -correct answer Prior to the
installation
When is it Okay to use a single stage regulator? -correct answer 1.) Only in small portable
appliances and out door cooking appliances 100,000 btu
or less.
What is the specific gravity of LP gas at 60 degrees F? -correct answer 1.5
What is the flame temp of LP gas? -correct answer 3593 degrees F
How far must the relief valve be piped above an underground 2000 gallon wc tank? -correct answer
7ft
How often does a technician need to undergo refresher training? -correct answer Every 3 years
What is the Max working pressure of CSST piping? -correct answer 5psi
, What is the Max working pressure of Polyethylene (PE) piping? -correct answer 30psi
What is the voltage for a successful cathodic test? -correct answer -.85 volts (Negative .85 volts)
After the first successful cathodic test how soon after must the second test be performed? -correct
answer 12-18 months
How far must an LP tank over 125 gallons be located from other flammable liquid tanks such as an
oil tank? -correct answer 20ft
Tanks that are between 125-500 WC must be how far from property line? -correct answer 10ft
Tanks that are between 501-2,000 WC must be how far from property line? -correct answer 25ft
Underground tanks that are 2,000 WC or less must be how far from property line? -correct answer
10ft
Emergency shut offs must be how far from point of liquid transfer? -correct answer Min 25ft Max
100ft
Remote shut offs must be how far from point of liquid transfer? -correct answer Min 3ft Max 100ft
What is the boiling point of propane at atmospheric pressure? -correct answer -44 degrees F
Where can Hydrostatic relief valves be installed? -correct answer In each section of hose/piping
where liquid propane can be isolated between shut offs
How far from source of ignition must ASME LP tanks be set? -correct answer 10ft
Are dryer vents considered a source of ignition? -correct answer No, They are considered an
opening to the building.
Already Graded A+!! 2026 Update
What is the minimum distance between a direct fire vaporizer and container shut off valves? -
correct answer 5ft
What is the minimum distance between direct fire vaporizer and an above ground LP container? -
correct answer 10ft
What type of fencing is allowed around an LP tank? -correct answer 6ft high industrial fencing
What statement between static electricity and relative humidity is true? -correct answer When
humidity is low static charge is high
When is a permit required for a rooftop installation of an LP tank? -correct answer Prior to the
installation
When is it Okay to use a single stage regulator? -correct answer 1.) Only in small portable
appliances and out door cooking appliances 100,000 btu
or less.
What is the specific gravity of LP gas at 60 degrees F? -correct answer 1.5
What is the flame temp of LP gas? -correct answer 3593 degrees F
How far must the relief valve be piped above an underground 2000 gallon wc tank? -correct answer
7ft
How often does a technician need to undergo refresher training? -correct answer Every 3 years
What is the Max working pressure of CSST piping? -correct answer 5psi
, What is the Max working pressure of Polyethylene (PE) piping? -correct answer 30psi
What is the voltage for a successful cathodic test? -correct answer -.85 volts (Negative .85 volts)
After the first successful cathodic test how soon after must the second test be performed? -correct
answer 12-18 months
How far must an LP tank over 125 gallons be located from other flammable liquid tanks such as an
oil tank? -correct answer 20ft
Tanks that are between 125-500 WC must be how far from property line? -correct answer 10ft
Tanks that are between 501-2,000 WC must be how far from property line? -correct answer 25ft
Underground tanks that are 2,000 WC or less must be how far from property line? -correct answer
10ft
Emergency shut offs must be how far from point of liquid transfer? -correct answer Min 25ft Max
100ft
Remote shut offs must be how far from point of liquid transfer? -correct answer Min 3ft Max 100ft
What is the boiling point of propane at atmospheric pressure? -correct answer -44 degrees F
Where can Hydrostatic relief valves be installed? -correct answer In each section of hose/piping
where liquid propane can be isolated between shut offs
How far from source of ignition must ASME LP tanks be set? -correct answer 10ft
Are dryer vents considered a source of ignition? -correct answer No, They are considered an
opening to the building.