Oil burner License Study Guide ( Massachusetts ) Exam Questions With 100% Correct Answers.

Oil burner License Study Guide ( Massachusetts ) Exam Questions With 100% Correct Answers. What are the 3 funtions of an Oil Burner nozzle? - answerAtomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - answerLine & Low. What is the function of a fuse? - answerProtect circuit. What is the High Limit cut out? - answerMax safe Temp or Pressure setting. What is the High Limit cut in? - answerCut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - answer45 Seconds. What is the minimum stack temperature which will allow a stack switch to work? - answer400 degrees F When do you apply a permit to store oil? - answer10 gallons. What is the "Main" function of an oil burner Primary Control? - answerProve Flame. Stack Relay must be reset after lockout? True? or False? - answerTrue. What is the Required minimum height required for fill and vent pipes? - answer3 Feet. What is the smallest vent pipe used for residential. - answer1 inch 1/4 What size is the oil line for a residential burner? - answer3/8 Largest oil capacity for residential without a license? - answer10,000 Gallons At what height ceiling would a second thermal switch be required? - answer12' A typical residential oil burner is also s/u to run Kerosene True? Or False? - answerFalse Permit to install an oil burner is issued by the? - answerState Fire Marshall Draft measurements are taken in what? - answerInches of water column Pressure Relief for a Hot Water Boiler is? - answer30 Psi Pressure Relief for a Steam Boiler is? - answer15 Psi