HVAC Oil Burner Test | 100% Correct Answers | Verified | Latest 2024 Version

An up flow furnace - Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. - 2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? - 280,000 What could be the cause of a high steak temperature - Too much air How would you prove a furnace was stopped up with soot in the heat exchanger - Draft gauge at the inspection door What is the function of a heat exchanger - To exchange the heat from the combustion What is the function of the combustion chamber - Place to burn the fuel What is the purpose of the restrictor in the blast tube - To create air Velocity What is the difference between a hollow core and a solid core oil nozzle - Oil pattern What is the purpose of the tangential Slots in the nozzle - Push the oil in a swirling motion What must be done to oil to prepare it to burn - Atomization What would be the result of a solution where a customer reset the primary control many times before the service person arrived - too much oil in the combustion chamber, IrruptWhat are the symptoms of an oil forced air furnace with a hole in the heat exchanger - Soot in the register and odors What should be done if the initial Smoke reading is zero - Take back to a trace of smoke When hydrocarbon unite rapidly with Ox