Oil license Study guide 100% Accurate(RATED A+)

What is the voltage found at the TT terminals? - ANSWER 24 volts What are the 8 steps of a no heat call? - ANSWER Main fuse Oil burner fuse Customer Emergency switch Oil tank Oil valves High limit Thermostat Primary Control What is a cad cell? - ANSWER A visual flame detector How much air is necessary to burn a gallon of #2 fuel oil and why? - ANSWER 1540 cubic feet is the laboratory determined amount of air to burn all the oil efficiently What does the term "In-step" mean? - ANSWER It means the primary control start circuit is closed What is normal pump pressure? - ANSWER 100 psi How is combustion achieved? - ANSWER proper amount of oil, air, and ignition What is primary air? - ANSWER Air mixed with oil before the nozzle. It is atomizing air found only in low pressure burners What is secondary air? - ANSWER Fan air Does firebrick come in different heat ratings? - ANSWER Yes