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Massachusetts Oil burner Practice Exam
Questions And Answers 2025 Update.
The cross connection between two supply tanks shall not exceed? - Answer✔660 gallons
When is an automatic draft control not required? - Answer✔When the equipment is designed
to control the draft.
Combustion performance testing can indicate: - Answer✔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: -
Answer✔Sufficient draft is available for safe operation of all connected equipment.
Delayed ignition can be caused by: - Answer✔Weak ignition transformer
You should replace the oil burner nozzle with: - Answer✔The manufacturers recommended
nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: - Answer✔Decreasing the nozzle size and increasing
the pump pressure accordingly
The minimum operating pressure of an oil pump is: - Answer✔100 PSI
If a stack relay fails you, must? - Answer✔Replace it with an approved type controller
Aquastats are normally found on what type of heating systems? - Answer✔Hydronic
Airstats are found on what type of heating systems? - Answer✔Forced warm air systems
Under sized returns on a warm air system can result in what? - Answer✔Short cycling of the oil
burner
Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam
system? - Answer✔Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? -
Answer✔Undersized oil burner nozzles
Delayed opening oil valves are used to? - Answer✔Allow oil pump to come up to speed
1
Massachusetts Oil burner Practice Exam
Questions And Answers 2025 Update.
The cross connection between two supply tanks shall not exceed? - Answer✔660 gallons
When is an automatic draft control not required? - Answer✔When the equipment is designed
to control the draft.
Combustion performance testing can indicate: - Answer✔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: -
Answer✔Sufficient draft is available for safe operation of all connected equipment.
Delayed ignition can be caused by: - Answer✔Weak ignition transformer
You should replace the oil burner nozzle with: - Answer✔The manufacturers recommended
nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: - Answer✔Decreasing the nozzle size and increasing
the pump pressure accordingly
The minimum operating pressure of an oil pump is: - Answer✔100 PSI
If a stack relay fails you, must? - Answer✔Replace it with an approved type controller
Aquastats are normally found on what type of heating systems? - Answer✔Hydronic
Airstats are found on what type of heating systems? - Answer✔Forced warm air systems
Under sized returns on a warm air system can result in what? - Answer✔Short cycling of the oil
burner
Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam
system? - Answer✔Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? -
Answer✔Undersized oil burner nozzles
Delayed opening oil valves are used to? - Answer✔Allow oil pump to come up to speed
1
