Journeyman Oil Burner Technician 1&2 Oils (Up To 15 Gph) Study Set - Oct. 2023

At what pressure would a relief valve blow off on a steam boiler? {Ans: 15 psi}In order to avoid undetected oil leaks under floors, the conduit must be how much bigger than the supply and return lines? {Ans: One pipe size larger}How far should oil burners be installed from an unenclosed fuel oil tank? {Ans: 5 ft}What fittings shall not be used unless for introduction of lines at top of the tank with a single or double tap bushing? {Ans: Compression}All copper oil supply and return lines must be encased in a continuous piece of no metallic liquid tight conduit such as PVC, ENT, coated copper tubing. The end of the conduit shall not exceed how far from any connection except the connection at fuel tank? {Ans: 2 inches}What size vent is required for a waste oil tank? {Ans: 2 inch}