Massachusetts Oil burner
Practice Exam –A+Graded
The cross connection between two supply tanks shall not exceed? - -660
gallons
-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
-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
-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
Practice Exam –A+Graded
The cross connection between two supply tanks shall not exceed? - -660
gallons
-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
-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
-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
