Massachusetts Oil burner Practice Test

Massachusetts Oil burner Practice Test 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