Chapter 42- Oil Fired Heating Systems Exam With Complete Verified Solutions!

the vertical distance between the center nozzle and electrode tips - ANSWER-above gap a metal band on an oil burner that is used to regulate the amount of air the burner fan can draw in and blow through the air tube - ANSWER-adjustable air band the passage through which air from an oil burner fan is blown into the combustion chamber of an oil-fired appliance - ANSWER-air tube the amount of noncombustible contaminants in fuel oil - ANSWER-ash content the breaking up of a liquid into tiny droplets - ANSWER-atomization the ignition of a large amount of vaporized fuel oil that blows soot backward out of the combustion chamber - ANSWER-blowback a pump used to move fuel oil from the main storage tank to a fuel oil accumulator or reservoir tank nearer to the oil burner - ANSWER-booster pump a small plug that is threaded into the internal bypass between a fuel unit's inlet and return ports - ANSWER-bypass plug a light-sensitive semiconductor used to visually detect an oil burner's flame and communicate with a heating system's primary control unit - ANSWER-cad cell test that measures the amount of carbon dioxide in a furnace's flue gas to determine if complete combutsion is taking place - ANSWER-CO2 test a plate with slots and holes that is designed to promote combustion in an oil-fired furnace by directing airflow into the combustion chamber - ANSWER-combustion head the ability of a fuel to vaporize - ANSWER-distillation quality in a combustion heating system, the movement of flue gas - ANSWER-draft a gauge used to measure the air pressure of the flue in combustion heating system - ANSWER-Draft gauge a test used to determine the rate of flue gas flow in a combustion heating system - ANSWER-draft test