NFI Exam Review Already Verified Questions and Answers
NFI Exam Review Already Verified Questions and Answers Combustion Requirements (3) Air, Fuel, Heat Complete Combustion Produces (4) Water vapor, carbon dioxide, heat, and non combustible ashes incomplete combustion produces (3) carbon monoxide, hydrocarbons, and other gases rate at which fuel burns is controlled by the amount of available air air to fuel ratio is a critical factor in obtaining optimum fuel combustion BTU British Thermal Unit, The amount of energy needed to heat one pound of water one degree Fahrenheit wood ignites at 450-550 F natural gas ignites at 1,150 F propane ignites at
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