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Massachusetts Oil burner Practice
Questions and Answers 100% Pass
When is an automatic draft control not required? - ✔✔When the equipment is designed to control the
draft.
Combustion performance testing can indicate: - ✔✔Improper air oil mixture, too much combustion air,
and low pump pressure.
If a second oil-burning appliance is installed in a single chimney, you must insure: - ✔✔Sufficient draft is
available for safe operation of all connected equipment.
Delayed ignition can be caused by: - ✔✔Weak ignition transformer
You should replace the oil burner nozzle with: - ✔✔The manufacturers recommended nozzle spray
pattern and spray angle.
Viscosity problems can be corrected by: - ✔✔Decreasing the nozzle size and increasing the pump
pressure accordingly
The minimum operating pressure of an oil pump is: - ✔✔100 PSI
The cross connection between two supply tanks shall not exceed? - ✔✔660 gallons
If a stack relay fails you, must? - ✔✔Replace it with an approved type controller
Aquastats are normally found on what type of heating systems? - ✔✔Hydronic
Airstats are found on what type of heating systems? - ✔✔Forced warm air systems
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
, 2|Page
Under sized returns on a warm air system can result in what? - ✔✔Short cycling of the oil burner
Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam system? -
✔✔Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? - ✔✔Undersized oil
burner nozzles
Delayed opening oil valves are used to? - ✔✔Allow oil pump to come up to speed
If a steam boiler is to be installed with an automatic feeder it must also have: - ✔✔A backflow prevention
device
How can a damaged heat exchanger be detected on a forced warm air system? - ✔✔With a smoke trace
candle
If a high limit is installed to prevent high boiler water temperature, what is the function of the low limit? -
✔✔To maintain temperature for domestic hot water
On a steam system, a plugged siphon loop can have what affect on the heating system? - ✔✔Insufficient
heat in the living space
On a triple acting aquastat a minimum of 20 degrees is recommend between the high and low limit, this
will prevent? - ✔✔The boiler going off on high limit before reaching the minimum circulator temperature
An advantage of flame retention burner is - ✔✔Their high static pressure enables boilers and furnaces
with tighter more efficient heat exchange passages
The key final adjustment for most oil burners is - ✔✔Combustion air
Dirt or lint buildup in the bevel of the burner fan blades will - ✔✔Reduce the amount of combustion air
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
Massachusetts Oil burner Practice
Questions and Answers 100% Pass
When is an automatic draft control not required? - ✔✔When the equipment is designed to control the
draft.
Combustion performance testing can indicate: - ✔✔Improper air oil mixture, too much combustion air,
and low pump pressure.
If a second oil-burning appliance is installed in a single chimney, you must insure: - ✔✔Sufficient draft is
available for safe operation of all connected equipment.
Delayed ignition can be caused by: - ✔✔Weak ignition transformer
You should replace the oil burner nozzle with: - ✔✔The manufacturers recommended nozzle spray
pattern and spray angle.
Viscosity problems can be corrected by: - ✔✔Decreasing the nozzle size and increasing the pump
pressure accordingly
The minimum operating pressure of an oil pump is: - ✔✔100 PSI
The cross connection between two supply tanks shall not exceed? - ✔✔660 gallons
If a stack relay fails you, must? - ✔✔Replace it with an approved type controller
Aquastats are normally found on what type of heating systems? - ✔✔Hydronic
Airstats are found on what type of heating systems? - ✔✔Forced warm air systems
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
, 2|Page
Under sized returns on a warm air system can result in what? - ✔✔Short cycling of the oil burner
Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam system? -
✔✔Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? - ✔✔Undersized oil
burner nozzles
Delayed opening oil valves are used to? - ✔✔Allow oil pump to come up to speed
If a steam boiler is to be installed with an automatic feeder it must also have: - ✔✔A backflow prevention
device
How can a damaged heat exchanger be detected on a forced warm air system? - ✔✔With a smoke trace
candle
If a high limit is installed to prevent high boiler water temperature, what is the function of the low limit? -
✔✔To maintain temperature for domestic hot water
On a steam system, a plugged siphon loop can have what affect on the heating system? - ✔✔Insufficient
heat in the living space
On a triple acting aquastat a minimum of 20 degrees is recommend between the high and low limit, this
will prevent? - ✔✔The boiler going off on high limit before reaching the minimum circulator temperature
An advantage of flame retention burner is - ✔✔Their high static pressure enables boilers and furnaces
with tighter more efficient heat exchange passages
The key final adjustment for most oil burners is - ✔✔Combustion air
Dirt or lint buildup in the bevel of the burner fan blades will - ✔✔Reduce the amount of combustion air
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
