oil burner final exam 2023

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 sluge at the bottom of the oil tank? - Answer- Bacteria, rust or mold. List a few reasons of how water would get into an oil tank? - Answer- Condensation, vent caps and loose or missing joints. What are a few good practices of oil tank installs? - Answer- Still pipe, mealable joints, alarm vents 5ft from oil burner and inspect tank and keep elevated. What is the function of a fuel pump on an oil function? - Answer- Lift the oil from the tank and deliver it at a constant and regulated pressure to the nozzle. Is a 2 pipe oil pump is a self bleeding pump? - Answer- True Will an oil leak on the return oil line affect the performance of oil burner? - Answer- No. What is the factory set point on an oil pump and minimum operating pressure? - Answer- 100 psi for both. On an oil pump shut down what is the max allowable drop and hold point? - Answer- 20 of operating pressure. What can cause a pulsating oil pump pressure reading? - Answer- Air, dirty pump screen, worn gears in the pump. What can cause oil pump nose? - Answer- Worn gears, air leaks and high vacuums.