Massachusetts oil burner study guide Exam With Complete Solutions!!

What does InStep mean - ANSWER-The stack relay is operating properly How is combustion achieved - ANSWER-Atomization ,air ,ignition. What is the minimum size oil line for residential burners - ANSWER-3/8 inch How is safety timing checked on a stack relay switch - ANSWER-Remove the stack relay from the duck and let it run .it should shut off in 45 seconds. What is the safety lockout time on Burner firing under 3 gallons per hour - ANSWER-45 seconds What control devices are found on gravity feed burners - ANSWER-Constant level valve When is a vent pipe required - ANSWER-When the Supply tank is larger than 10 gallons What is the time limit for submitting certificate of completion - ANSWER-Within 72 hours What kinds of joints are used on tank installations - ANSWER-Swing joints Why are swing joints used on oil tank installations - ANSWER-Shifting with in the tank What is the minimum distance that the burner can be from the tank - ANSWER-5 feet How many gallons of oil can be stored without a permit - ANSWER-10 gallons or less How much outside or replacement air is needed in a confined space - ANSWER-1 square inch for 2000 BTUs How much outside air or replacement air is needed in a boiler room in of tight Construction - ANSWER-1 square inch per 1000 BTUs What is the purpose of a heat anticipator - ANSWER-It keeps the heat from over shooting Explain two different types of differentials used by thermostat - ANSWER-In heating anticipates heat cold turns on compressor early what are the parts of an ignition assembly explain the function of each part what is the operating voltage - ANSWER-Electrode :spark to ignite fuel. Transformer: step up from 120 volts to 14000 hundred volts. porcelain are insulators.