JOURNEYMAN OIL BURNER PRACTICE QUESTIONS AND
ANSWERS #13
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
ANSWERS #13
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
