HVAC Oil Burner Questions and Answers 100% Pass

HVAC Oil Burner Questions and Answers 100% Pass 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, Irrupt What 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 Oxygen it is called Combustion Assuming perfect combustion how many pounds of oxygen is required to burn 1 pound a fuel oil 3.00LB Assuming 50% access air is being provided how many cubic feet of air will be supplied to and oil burner to burn 1 pound of fuel oil 288 cu ft When fuel oil is broken up to form tiny droplets it is called Atomization The motor on the residential gun type oil burner is usually a blank motor Split face fractional horsepower The pump on a residential gun