JOURNEYMAN OIL BURNER TECHNICIAN 1&2 OILS (UP TO 15 GPH) LATEST 2024 WITH 100+ EXPERT CERTIFIED QUESTIONS AND ANSWERS I ALREADY GRADED A+ What must be done when preforming an annual tune -up on a heating system? - ANSWERS -Efficiency test/copy posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? - ANSWERS -NFPA 31 When outside tanks a re used a thermally operated shut off valve must be installed where? - ANSWERS -The supply line enters the inside of the building and where the oil line enters the room where the appliance is located How long is the emergency replacement chimney forum good for and who's responsibility is art to see that it is replaced? - ANSWERS -90 days What needs to be preformed before all new heat installations? - ANSWERS -Heat loss and Load calculations a fill pipe should be how many feet from any building opening? - ANSWERS -2 feet When inside tanks are used and the oil supply tank is in stalled in a separate room, a thermally shutoff valve must be installed where? - ANSWERS -Where the line enters the room where the appliance is located Whenever the oil supply is taken from the top of an oil tank a thermally operated wheel or lever type sh ut-off valve must be installed where? - ANSWERS -At the tank and at the burner what can be installed in the supply line but not the return? - ANSWERS -Check Valve/Back flow Preventer All copper oil supply and return lines must be encased in a continuous pi ece 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? - ANSWERS -2 inches In order to avoid undetected oil leaks under floors, the conduit must be how much bigger than the supply and return lines? - ANSWERS -One pipe size larger An oil line that penetrates a foundation wall must be? - ANSWERS -Sealed When an oil filter or other accessory equipment is connected to a copper piping smaller than 3/4 "and is not directly connected to the oil tank or burner the filter or other device must be what? - ANSWERS -Rigidly supported by hangers or mounted brackets What must supply and return lines be connected with? - ANSWERS -Flare fittings
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