Massachusetts Oil burner Practice Questions And Answers
Already Passed!!
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
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
Already Passed!!
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
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
