Massachusetts Oil burner Practice
Exam Questions Merged With Correct
Complete Solutions || Already Graded
A+ || 2026-2027 Latest 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
If a steam boiler is to be installed with an automatic feeder it must
also have: - ANSWER-A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air
system? - ANSWER-With a smoke trace candle
Exam Questions Merged With Correct
Complete Solutions || Already Graded
A+ || 2026-2027 Latest 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
If a steam boiler is to be installed with an automatic feeder it must
also have: - ANSWER-A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air
system? - ANSWER-With a smoke trace candle
