Oil burner License Study Guide (Massachusetts) Questions and Answers

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