Oil Burners license test Complete Questions & Answers(GRADED A)

The main function of the primary control is: - ANSWER Locking out on safety in the event of flame failure Power must be provided to an electric blower control board on terminals: - ANSWER L1 and L2 Once a PSC motor starts - ANSWER The centrifugal switch turns off the electricity to the capacitor and the start windings Materials who's electrons are so loosely bound that they can be persuaded to move with very little pressure allowing electricity to flow are called - ANSWER Conductors Oil burners can make CO even when no smoke is present - ANSWER True Corrosion in the flu pipe may occur if - ANSWER Flue gas temperature is below the dewpoint and sulfur oxide's combine with water To avoid condensing and the flu pipe and oil fired appliance should have a minimum growth stock temperature of - ANSWER 350°F All persons assisting and working under the supervision of a person holding a certificate as an oil burner technician must hold current apprentice certificates issued by Department of fire services - ANSWER True What size pipe is used to cross connect tank outlets piping - ANSWER 1/2 inch Fuel return piping from an appliance shall - ANSWER Enter the top of the tank Delayed ignition may be caused by - ANSWER Unvented pressure regulator Installation of oil safety valves and oil pressure reducing valve - ANSWER Reduces the chance of a return line leak What is an installation - ANSWER Complete and ready for operation of any oil burning appliance Energizing the ignition circuit during the entire burn cycle reduces - ANSWER Ignition component life