Oil Heat Exam | Actual Questions and
Answers Latest Update 2025 (Graded
A+)
What must be done before removing an oil tank and where is it obtained from? - Answer- pull
the permits and obtain them from the fire department
No more than how many gallon oil TanK (1) can be exposed in a building? - Answer- 660
gallons
Exposed tanks(more than one) in a building cannot be more than how many gallons? - Answer-
1320 gallons
All oil tanks over how many gallons must have an open air pipe? - Answer- 10 gallons
All oil tanks over 10 gallons must have an open air pipe, minimum pipe size of 1 and 1/4, The
fill pipe cannot exceed the size of vent pipe both must terminate? - Answer- outside building
What is the maximum total capacity of all the tanks located above the lowest level of a building
cannot exceed how many gallons? - Answer- 60 gallons
The maximum total capacity of all the tanks located above the lowest level of a building has an
exception what is it? - Answer- A tank on slab adjacent to the first floor
what cant be used for fill or vent piping? - Answer- plastic pipe, solder copper tubing and
fittings
What must be done with any unused openings of an oil tank? - Answer- made vapor tight
, The oil-fired, forced-warm-air furnace has two main systems: Which are... - Answer- Heat-
producing system and heat-distributing system
What is the heat-producing system? - Answer- consists of the oil burner, fuel supply
components, combustion chamber, and heat exchanger.
What is the heat-distribution system? - Answer- composed of the blower, which moves the air
through the ductwork, and other related components
The number engrved on the oil burner nozzle indicates? - Answer- how many gallons of oil per
hour the nozzle will deliver at a given imput pressure
Improper combustion can lead to? - Answer- excessive carbon monoxide production,smoke
condition around furnace, wasted oil
the grade of fuel used in residential and light commercial units is? - Answer- No.2
When the oil supple is above the oil burner pump, the pump and supply would normally be a? -
Answer- single-stage pump, one pipe system
All oil tanks over 10 gallons must have an open air vent pipe and a minimum pipe size of? -
Answer- 1 1/4
All oil tanks with fill and vent pipes must have what type of gauging ? - Answer- Visual and
Audible
Vent pipe must terminate at least how many feet above grade? - Answer- 3 ft or above the
highest snow level
Massachusetts flash point is - Answer- 115 F
, Massachusetts flame point is - Answer- 635F
Your vent pipe must terminate _______ feet vertically and ____ feet horizontally from any
building opening - Answer- 2ft, 2ft
What must vent pipe have on the termination outside building? - Answer- Water tight cap
Fill and vent pipes are slopped in which direction - Answer- Towards tank
Are fixed sash (no openings) windows considered a building opening to apply to fill and vent
piping? - Answer- No
A space supplying air for combustion whose volume is less than 50 cubic feet per 1000 BTU per
hour input of all appliances in the space. - Answer- Confined space
What is the maximum voltage used for oil burner circuit - Answer- 150 Volts
Piping used for oil burner oil lines ( except for conversion range burners) shall not be smaller
than what size? - Answer- 3/8 inch nominal pipe or tubing
An auxiliary tank and booster pump system is reqiured if the oil supply is_____below the oil
burner pump. - Answer- 15 feet or more
The cad cell is a safety device that uses what to prove ignition? - Answer- light in the
combustion chamber
The stack switch or stack relay_______. - Answer- shuts down the burner if it does not sense
heat in the flue products.
After the thermostat calls for heat, what happens? - Answer- The ignition system is powered and
the oil burner motor starts, which turns the fuel pump and combustion air blower wheel.
Answers Latest Update 2025 (Graded
A+)
What must be done before removing an oil tank and where is it obtained from? - Answer- pull
the permits and obtain them from the fire department
No more than how many gallon oil TanK (1) can be exposed in a building? - Answer- 660
gallons
Exposed tanks(more than one) in a building cannot be more than how many gallons? - Answer-
1320 gallons
All oil tanks over how many gallons must have an open air pipe? - Answer- 10 gallons
All oil tanks over 10 gallons must have an open air pipe, minimum pipe size of 1 and 1/4, The
fill pipe cannot exceed the size of vent pipe both must terminate? - Answer- outside building
What is the maximum total capacity of all the tanks located above the lowest level of a building
cannot exceed how many gallons? - Answer- 60 gallons
The maximum total capacity of all the tanks located above the lowest level of a building has an
exception what is it? - Answer- A tank on slab adjacent to the first floor
what cant be used for fill or vent piping? - Answer- plastic pipe, solder copper tubing and
fittings
What must be done with any unused openings of an oil tank? - Answer- made vapor tight
, The oil-fired, forced-warm-air furnace has two main systems: Which are... - Answer- Heat-
producing system and heat-distributing system
What is the heat-producing system? - Answer- consists of the oil burner, fuel supply
components, combustion chamber, and heat exchanger.
What is the heat-distribution system? - Answer- composed of the blower, which moves the air
through the ductwork, and other related components
The number engrved on the oil burner nozzle indicates? - Answer- how many gallons of oil per
hour the nozzle will deliver at a given imput pressure
Improper combustion can lead to? - Answer- excessive carbon monoxide production,smoke
condition around furnace, wasted oil
the grade of fuel used in residential and light commercial units is? - Answer- No.2
When the oil supple is above the oil burner pump, the pump and supply would normally be a? -
Answer- single-stage pump, one pipe system
All oil tanks over 10 gallons must have an open air vent pipe and a minimum pipe size of? -
Answer- 1 1/4
All oil tanks with fill and vent pipes must have what type of gauging ? - Answer- Visual and
Audible
Vent pipe must terminate at least how many feet above grade? - Answer- 3 ft or above the
highest snow level
Massachusetts flash point is - Answer- 115 F
, Massachusetts flame point is - Answer- 635F
Your vent pipe must terminate _______ feet vertically and ____ feet horizontally from any
building opening - Answer- 2ft, 2ft
What must vent pipe have on the termination outside building? - Answer- Water tight cap
Fill and vent pipes are slopped in which direction - Answer- Towards tank
Are fixed sash (no openings) windows considered a building opening to apply to fill and vent
piping? - Answer- No
A space supplying air for combustion whose volume is less than 50 cubic feet per 1000 BTU per
hour input of all appliances in the space. - Answer- Confined space
What is the maximum voltage used for oil burner circuit - Answer- 150 Volts
Piping used for oil burner oil lines ( except for conversion range burners) shall not be smaller
than what size? - Answer- 3/8 inch nominal pipe or tubing
An auxiliary tank and booster pump system is reqiured if the oil supply is_____below the oil
burner pump. - Answer- 15 feet or more
The cad cell is a safety device that uses what to prove ignition? - Answer- light in the
combustion chamber
The stack switch or stack relay_______. - Answer- shuts down the burner if it does not sense
heat in the flue products.
After the thermostat calls for heat, what happens? - Answer- The ignition system is powered and
the oil burner motor starts, which turns the fuel pump and combustion air blower wheel.
