OIL BURNER LICENSE NEWEST 2025 ACTUAL
EXAM TEST BANK 410 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
(MASSACHUSETTS)
What is the first thing a tech should do when arriving at a no combustion call? -
ANSWER ✔✔- Ask how many times the customer reset the unit.
Where do you obtain an installation permit for oil burners? - ANSWER ✔✔- Fire
Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - ANSWER ✔✔- 140,000
btu's
Solid state ignition is superior to spark because - ANSWER ✔✔- It is not affected
by reduced voltage
What is an installation? - ANSWER ✔✔- The complete setting in place, ready for
operation, of an oil burner appliance together with its accessories and equipment.
1|Page
,How far must a power vent terminate from an opening or window? - ANSWER
✔✔- 4'
A pump in a one pipe system that is full of air can be self purged. - ANSWER ✔✔-
False
List the minimum size of an oil supply line. - ANSWER ✔✔- 3/8"
A material with electrons so loose it allows voltage to pass with little or no
resistance.. - ANSWER ✔✔- Is a conductor
If a high limit goes off, what does a low water switch do? - ANSWER ✔✔-
Maintains water temperature
What is flashpoint an indicator of? - ANSWER ✔✔- Minimum temperature oil will
ignite but not continue to burn.
What travels on the inside of the wire? - ANSWER ✔✔- Volts
What is the best long term solution for preventing a clogged nozzle? - ANSWER
✔✔- -Remove any underground storage tanks.
-Install a quality oil filter.
-Cut the suction line 10" above the tank outlet to prevent sludge.
Hot water and steam valves are interchangeable. - ANSWER ✔✔- False
2|Page
,When in the presence of a flame, a cad cell normally reads.. - ANSWER ✔✔- 300-
1000 ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is
required. - ANSWER ✔✔- True
On a call where a hydronic heat system is putting out too much heat on the stack,
the issue may be.. - ANSWER ✔✔- -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - ANSWER ✔✔- Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - ANSWER ✔✔- Not enough
combustion air in the equipment room.
When multiple pumps are wired together in a heating system, they should be
wired in.. - ANSWER ✔✔- parallel
In a series circuit.. - ANSWER ✔✔- Current has one path.
When 2 burners are connected to the same chimney.. - ANSWER ✔✔- Sufficient
draft must be obtained to operate both units.
The ignition transformer is located.. - ANSWER ✔✔- In the primary control.
3|Page
, When safeties are wired in series one safety will affect the operation of the
others. - ANSWER ✔✔- True
A stack switch is no longer allowed to be installed or replaced because.. - ANSWER
✔✔- It's safety cutout time is higher than what is now required.
What is a power venter and what does it do? - ANSWER ✔✔- An electrical device
that sends fluid gases into the chimney connector.
A burner in a confined space using 1 GPH of #2 fuel oil requires what size
permanent opening for combustion air? - ANSWER ✔✔- 140"
The difference between an adjustable flame retention burner and a fixed flame
retention burner is? - ANSWER ✔✔- Air inlets can be adjusted
Ignitor position can be adjusted
Fuel can be adjusted
Oil tank design, construction, installation and testing shall be in accordance with..
- ANSWER ✔✔- 527 CMR 9.0
Heat is a form of.. - ANSWER ✔✔- Energy
If a burner is operational but the circulator pump isn't running.. - ANSWER ✔✔-
The pump relay is not working correctly
4|Page
EXAM TEST BANK 410 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
(MASSACHUSETTS)
What is the first thing a tech should do when arriving at a no combustion call? -
ANSWER ✔✔- Ask how many times the customer reset the unit.
Where do you obtain an installation permit for oil burners? - ANSWER ✔✔- Fire
Dept
How many Btu's approximately in 1 gal of #2 fuel oil? - ANSWER ✔✔- 140,000
btu's
Solid state ignition is superior to spark because - ANSWER ✔✔- It is not affected
by reduced voltage
What is an installation? - ANSWER ✔✔- The complete setting in place, ready for
operation, of an oil burner appliance together with its accessories and equipment.
1|Page
,How far must a power vent terminate from an opening or window? - ANSWER
✔✔- 4'
A pump in a one pipe system that is full of air can be self purged. - ANSWER ✔✔-
False
List the minimum size of an oil supply line. - ANSWER ✔✔- 3/8"
A material with electrons so loose it allows voltage to pass with little or no
resistance.. - ANSWER ✔✔- Is a conductor
If a high limit goes off, what does a low water switch do? - ANSWER ✔✔-
Maintains water temperature
What is flashpoint an indicator of? - ANSWER ✔✔- Minimum temperature oil will
ignite but not continue to burn.
What travels on the inside of the wire? - ANSWER ✔✔- Volts
What is the best long term solution for preventing a clogged nozzle? - ANSWER
✔✔- -Remove any underground storage tanks.
-Install a quality oil filter.
-Cut the suction line 10" above the tank outlet to prevent sludge.
Hot water and steam valves are interchangeable. - ANSWER ✔✔- False
2|Page
,When in the presence of a flame, a cad cell normally reads.. - ANSWER ✔✔- 300-
1000 ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is
required. - ANSWER ✔✔- True
On a call where a hydronic heat system is putting out too much heat on the stack,
the issue may be.. - ANSWER ✔✔- -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - ANSWER ✔✔- Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - ANSWER ✔✔- Not enough
combustion air in the equipment room.
When multiple pumps are wired together in a heating system, they should be
wired in.. - ANSWER ✔✔- parallel
In a series circuit.. - ANSWER ✔✔- Current has one path.
When 2 burners are connected to the same chimney.. - ANSWER ✔✔- Sufficient
draft must be obtained to operate both units.
The ignition transformer is located.. - ANSWER ✔✔- In the primary control.
3|Page
, When safeties are wired in series one safety will affect the operation of the
others. - ANSWER ✔✔- True
A stack switch is no longer allowed to be installed or replaced because.. - ANSWER
✔✔- It's safety cutout time is higher than what is now required.
What is a power venter and what does it do? - ANSWER ✔✔- An electrical device
that sends fluid gases into the chimney connector.
A burner in a confined space using 1 GPH of #2 fuel oil requires what size
permanent opening for combustion air? - ANSWER ✔✔- 140"
The difference between an adjustable flame retention burner and a fixed flame
retention burner is? - ANSWER ✔✔- Air inlets can be adjusted
Ignitor position can be adjusted
Fuel can be adjusted
Oil tank design, construction, installation and testing shall be in accordance with..
- ANSWER ✔✔- 527 CMR 9.0
Heat is a form of.. - ANSWER ✔✔- Energy
If a burner is operational but the circulator pump isn't running.. - ANSWER ✔✔-
The pump relay is not working correctly
4|Page
