Solved 100% Correct
/. 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
/.The cross connection between two supply tanks shall not exceed? - Answer-660
gallons
/.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