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1 Oil burner License Study Guide (Massachusetts) Questions and Answers complete 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 1 / 2
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2 Draft measurements are taken in what? - ANSWER>>Inches of water column Pressure Relief for a Hot Water Boiler is? - ANSWER>>30 Psi Pressure Relief for a Steam Boiler is? - ANSWER>>15 Psi How many cubic feet of Air is required for a 1 gallon nozzle? - ANSWER>>1,400 If a power vent fails to start or shuts down during operation, will this affect the burner? Yes? Or No? - ANSWER>>Yes A Hot Water Boiler needs a low water cut off if over 300,000 B.T.U's? - ANSWER>>False What is the proper draft setting for an oil burner? - ANSWER>>.02 Inches WC Taco Zones Valves draw .9 Amps? True? Or False? - ANSWER>>True An oil burner tank must be how many feet minimum from an oil burner? - ANSWER>>5 Feet Minimum What is the gauge thickness for a 220 Gallon tank? - ANSWER>>12 Gauge What is a good cad cell reading in the light? - ANSWER>>300 -1,000 What is a good cad cell reading in the dark? - ANSWER>>100,000 What device sees flame failure and causes it to lockout? - ANSWER>>Cad Cell A boiler has been flooded by recent rain. What would be the most common problem for a burner as a result - ANSWER>>Electrical damage What is the minimum size of pipping for copper and black pipe in a residential installation? - ANSWER>>3/8 unless over 100 ft If you increased the air on a burner what would happen to the Co2 Reading? - ANSWER>>It would go down
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