Massachusetts Oil Burner License Exams

1 | P a g e MASSACHUSETTS OIL BURNER LICENSE EXAMS WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS 2024(NEWEST) ALREADY GRADED A+ How much air is needed to burn a gallon of fuel oil and why 14.4 plus 50% 192 feet cubed 154 CF to ensure enough oxygen When visually adjusting the flame on an oil burner you should try to get An orange flame with red Flame tips Explain how a burner should be piped when the supply tank is located below the burner 2. Pipe dual stage with a bypass plug How should a stack switch be installed according to 527 CMR 4.00 With a flexible conduit Why should a stack switch not be rigidly mounted So you can pull it out and check it What are the purposes of a hot and cold contacts in stack switches Hot: as they heat up hot contacts close .Cold: normally closed switches open when heat heats them up. What is delayed ignition Fuel introduced to the combustion chamber before ignition What are two causes of delayed ignition The igniter electrodes or weak Transformer how is a cad cell primary control relay put in step The reset button On domestic