Massachusetts Oil burner Practice
Questions with 100% Correct Answers
The cross connection between two supply tanks shall not exceed? Correct
Answer: 660 gallons
When is an automatic draft control not required? Correct Answer: When the
equipment is designed to control the draft.
Combustion performance testing can indicate: Correct 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: Correct Answer: Sufficient draft is available for safe operation of all
connected equipment.
Delayed ignition can be caused by: Correct Answer: Weak ignition transformer
You should replace the oil burner nozzle with: Correct Answer: The
manufacturers recommended nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: Correct Answer: Decreasing the nozzle
size and increasing the pump pressure accordingly
The minimum operating pressure of an oil pump is: Correct Answer: 100 PSI
If a stack relay fails you, must? Correct Answer: Replace it with an approved
type controller
Aquastats are normally found on what type of heating systems? Correct Answer:
Hydronic
, Airstats are found on what type of heating systems? Correct Answer: Forced
warm air systems
Under sized returns on a warm air system can result in what? Correct 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? Correct Answer: Some radiators not heating
quickly enough
Low boiler water temperature in a hydronic hot water system may be caused
by? Correct Answer: Undersized oil burner nozzles
Delayed opening oil valves are used to? Correct 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:
Correct Answer: A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air
system? Correct Answer: 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? Correct Answer: To maintain temperature for domestic
hot water
On a steam system, a plugged siphon loop can have what affect on the
heating system? Correct Answer: 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? Correct Answer: The boiler going off on
high limit before reaching the minimum circulator temperature
Questions with 100% Correct Answers
The cross connection between two supply tanks shall not exceed? Correct
Answer: 660 gallons
When is an automatic draft control not required? Correct Answer: When the
equipment is designed to control the draft.
Combustion performance testing can indicate: Correct 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: Correct Answer: Sufficient draft is available for safe operation of all
connected equipment.
Delayed ignition can be caused by: Correct Answer: Weak ignition transformer
You should replace the oil burner nozzle with: Correct Answer: The
manufacturers recommended nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: Correct Answer: Decreasing the nozzle
size and increasing the pump pressure accordingly
The minimum operating pressure of an oil pump is: Correct Answer: 100 PSI
If a stack relay fails you, must? Correct Answer: Replace it with an approved
type controller
Aquastats are normally found on what type of heating systems? Correct Answer:
Hydronic
, Airstats are found on what type of heating systems? Correct Answer: Forced
warm air systems
Under sized returns on a warm air system can result in what? Correct 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? Correct Answer: Some radiators not heating
quickly enough
Low boiler water temperature in a hydronic hot water system may be caused
by? Correct Answer: Undersized oil burner nozzles
Delayed opening oil valves are used to? Correct 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:
Correct Answer: A backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air
system? Correct Answer: 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? Correct Answer: To maintain temperature for domestic
hot water
On a steam system, a plugged siphon loop can have what affect on the
heating system? Correct Answer: 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? Correct Answer: The boiler going off on
high limit before reaching the minimum circulator temperature
