PRACTICE QUESTIONS AND CORRECT VERIFIED ANSWERS
What is the minimum stack temperature which will allow a stack switch to work? -
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CORRECT ANSWER-400 degrees F
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When do you apply a permit to store oil? - CORRECT ANSWER-10 gallons.
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What is the "Main" function of an oil burner Primary Control? - CORRECT
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ANSWER-Prove Flame.
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Stack Relay must be reset after lockout? True? or False? - CORRECT ANSWER-
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True.
What is the Required minimum height required for fill and vent pipes? -
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CORRECT ANSWER-3 Feet.
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What are the 3 funtions of an Oil Burner nozzle? - CORRECT ANSWER-Atomize,
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Meter, Patter.
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,What are the 2 voltage circuits of a primary control? - CORRECT ANSWER-Line &
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Low.
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What is the function of a fuse? - CORRECT ANSWER-Protect circuit.
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What is the High Limit cut out? - CORRECT ANSWER-Max safe Temp or Pressure
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setting.
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What is the High Limit cut in? - CORRECT ANSWER-Cut out minus Differential.
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What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - CORRECT
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ANSWER-45 Seconds.
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What is the smallest vent pipe used for residential. - CORRECT ANSWER-1 inch
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1/4
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What size is the oil line for a residential burner? - CORRECT ANSWER-3/8
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Largest oil capacity for residential without a license? - CORRECT ANSWER-
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10,000 Gallons
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At what height ceiling would a second thermal switch be required? - CORRECT
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ANSWER-12'
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,A typical residential oil burner is also s/u to run Kerosene True? Or False? -
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CORRECT ANSWER-False
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Permit to install an oil burner is issued by the? - CORRECT ANSWER-State Fire
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Marshall
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Draft measurements are taken in what? - CORRECT ANSWER-Inches of water
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column
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Pressure Relief for a Hot Water Boiler is? - CORRECT ANSWER-30 Psi
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An oil burner tank must be how many feet minimum from an oil burner? -
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CORRECT ANSWER-5 Feet Minimum
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What is the gauge thickness for a 220 Gallon tank? - CORRECT ANSWER-12
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Gauge
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What is a good cad cell reading in the light? - CORRECT ANSWER-300 -1,000
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What is a good cad cell reading in the dark? - CORRECT ANSWER-100,000
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Pressure Relief for a Steam Boiler is? - CORRECT ANSWER-15 Psi
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, How many cubic feet of Air is required for a 1 gallon nozzle? - CORRECT
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ANSWER-1,400
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If a power vent fails to start or shuts down during operation, will this affect the
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| burner? Yes? Or No? - CORRECT ANSWER-Yes
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A Hot Water Boiler needs a low water cut off if over 300,000 B.T.U's? - CORRECT
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ANSWER-False
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What is the proper draft setting for an oil burner? - CORRECT ANSWER-.02
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Inches WC
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Taco Zones Valves draw .9 Amps? True? Or False? - CORRECT ANSWER-True
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What device sees flame failure and causes it to lockout? - CORRECT ANSWER-
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Cad Cell |
A boiler has been flooded by recent rain. What would be the most common
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| problem for a burner as a result - CORRECT ANSWER-Electrical damage
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What is the minimum size of pipping for copper and black pipe in a residential
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| installation? - CORRECTANSWER-3/8 unless over 100 ft | | | | | | |
If you increased the air on a burner what would happen to the Co2 Reading? -
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CORRECT ANSWER-It would go down
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