Oil burner License Study Guide(Massachusetts) Questions and
Answers 2025/2026 Latest Update
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'
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
Draft measurements are taken in what? - Answer- Inches of water column
Pressure Relief for a Hot Water Boiler is? - Answer- 30 Psi
