Oil Burner Final Exam Questions With 100% Correct Answers 2025

Oil Burner Final Exam Questions With 100% Correct Answers 2025 What are 2 ways the fuel flow rate is set on an oil burner? - answer-Nozzle, size and oil pressure. List three things needed for ignition? - answer-Fuel, air and spark. Flame Retention Burners have what advantage over Non Flame Retention? - answer-Better air to oil mixture and cleaner burning. Flame Retention Burners work on _ pressure? - answer-High Static pressure. Why is it important to keep Burner motor fan clean? - answer-Keep proper airflow. How do you adjust air on a Fixed Head and an Adjustable Head? - answer-Change the airflow from the ring, adjust the dept of the nozzle. What is heating oil? - answer-It's hydrocarbon fossil fuel that's manufactured from crude oil. How may BTU's are in 1 Gallon of #2 fuel oil? - answer-140,000 What is flash point? - answer-It's the lowest temp. that will flash and ignite but not continue to burn. What is ignition point? - answer-It's the lowest temp. when rapid combustion takes place. Air is 500o What is pour point? - answer-Its the lowest temp your fuel will flow.On an outside oil tank, what happens to the viscosity of fuel oil? - answer-Viscosity will increase and slows down. What causes Sulfuric Acid in a heating system? - answer-When sulfur in the oil burns and mixes with moisture. What is in the sludge at the bottom of the oil tank? - answer-Bacteria, rust or mold