Oil burner License Study Guide Massachusetts Questions with 100% Correct 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 GallonsAt what height ceiling would a second thermal switch be required? - Answer-12' A typical residential oil burner is also s/u to run Kerosene True? Or False? - Answer-False Permit to install an oil burner is issued by the? - Answer-State Fire Marshall