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HVAC OIL BURNER EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

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HVAC OIL BURNER EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ An up flow furnace Correct answer: 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. Correct answer: 2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? Correct answer: 280,000 What could be the cause of a high steak temperature Correct answer: Too much air How would you prove a furnace was stopped up with soot in the heat exchanger Correct answer: Draft gauge at the inspection door What is the function of a heat exchanger Correct answer: To exchange the heat from the combustion What is the function of the combustion chamber Correct answer: Place to burn the fuel What is the purpose of the restrictor in the blast tube Correct answer: To create air Velocity What is the difference between a hollow core and a solid core oil nozzle Correct answer: Oil pattern What is the purpose of the tangential Slots in the nozzle Correct answer: Push the oil in a swirling motion What must be done to oil to prepare it to burn Correct answer: Atomization What would be the result of a solution where a customer reset the primary control many times before the service person arrived Correct answer: too much oil in the combustion chamber, Irrup

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