Massachusetts Oil Burner Practice Exam Questions (52 Terms) With Verified Definitions Updated 2024

Maximum fuel allowed without a license {Ans: 10,000 gallons}Nozzle after trip can be caused by {Ans: a defective pressure regulating valve, air in the nozzle line, and oil expansion in the nozzle after shut down}If the operating vacuum reading a significantly above the calculated vacuum, you probably have a {Ans: Clogged oil filter}A fuel de-aerator: {Ans: Eliminates the need for a return line back to the tank}To change the air ratio for different firing rates with an adjustable head burner you {Ans: Adjust the position of the drawer assembly in the Air tube}The minimum operating pressure of an oil pump is: {Ans: 100 PSI}