Massachusetts Oil burner Practice exam 2024 with 100% correct answers

The cross connection between two supply tanks shall not exceed? correct answers660 gallons When is an automatic draft control not required? correct answersWhen the equipment is designed to control the draft. Combustion performance testing can indicate: correct answersImproper 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 answersSufficient draft is available for safe operation of all connected equipment. Delayed ignition can be caused by: correct answersWeak ignition transformer You should replace the oil burner nozzle with: correct answersThe manufacturers recommended nozzle spray pattern and spray angle. Viscosity problems can be corrected by: correct answersDecreasing the nozzle size and increasing the pump pressure accordingly The minimum operating pressure of an oil pump is: correct answers100 PSI If a stack relay fails you, must? correct answersReplace it with an approved type controller Aquastats are normally found on what type of heating systems? correct answersHydronic Airstats are found on what type of heating systems? correct answersForced warm air systems