Oil burner License Study Guide (Massachusetts) Questions and Answers Already Passed

Oil burner License Study Guide (Massachusetts) Questions and Answers Already Passed What are the 3 funtions of an Oil Burner nozzle? Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? Line & Low. What is the function of a fuse? Protect circuit. What is the High Limit cut out? Max safe Temp or Pressure setting. What is the High Limit cut in? Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? 45 Seconds. What is the minimum stack temperature which will allow a stack switch to work? 400 degrees F When do you apply a permit to store oil? 10 gallons. What is the "Main" function of an oil burner Primary Control? Prove Flame. Stack Relay must be reset after lockout? True? or False? True. What is the Required minimum height required for fill and vent pipes? 3 Feet. What is the smallest vent pipe used for residential. 1 inch 1/4 What size is the oil line for a residential burner? 3/8 Largest oil capacity for residential without a license? 10,000 Gallons At what height ceiling would a second thermal switch be required? 12' A typical residential oil burner is also s/u to run Kerosene True? Or False? False Permit to install an oil burner is issued by the?