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Oil burner License Study Guide ( Massachusetts ) Exam/107 Q’s and A’s
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Oil burner License Study Guide ( Massachusetts )Exam/107 Q’s and A’s
What are the 3 functions of an Oil Burner nozzle? - -Atomize, Meter, Patter.
-What are the 2 voltage circuits of a primary control? - -Line & Low.
-What is the function of a fuse? - -Protect circuit.
-What is the High Limit cut out? - -Max safe Temp or Pressure setting.
-What is the High Limit cut in? - -Cut out minus Differential.
-What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - -45
Seconds.
-What is the minimum stack temperature which will allow a stack switch to
work? - -400 degrees F
-When do you apply a permit to store oil? - -10 gallons.
-What is the "Main" function of an oil burner Primary Control? - -Prove
Flame.
-Stack Relay must be reset after lockout? True? or False? - -True.
-What is the Required minimum height required for fill and vent pipes? - -3
Feet.
-What is the smallest vent pipe used for residential. - -1 inch 1/4
-What size is the oil line for a residential burner? - -3/8
-Largest oil capacity for residential without a license? - -10,000 Gallons
-At what height ceiling would a second thermal switch be required? - -12'
-A typical residential oil burner is also s/u to run Kerosene True? Or False? -
-False
-Permit to install an oil burner is issued by the? - -State Fire Marshall
-Draft measurements are taken in what? - -Inches of water column
-Pressure Relief for a Hot Water Boiler is? - -30 Psi
, -Pressure Relief for a Steam Boiler is? - -15 Psi
-How many cubic feet of Air is required for a 1 gallon nozzle? - -1,400
-If a power vent fails to start or shuts down during operation, will this affect
the burner? Yes? Or No? - -Yes
-A Hot Water Boiler needs a low water cut off if over 300,000 B.T.U's? - -
False
-What is the proper draft setting for an oil burner? - -.02 Inches WC
-Taco Zones Valves draw .9 Amps? True? Or False? - -True
-An oil burner tank must be how many feet minimum from an oil burner? - -
5 Feet Minimum
-What is the gauge thickness for a 220 Gallon tank? - -12 Gauge
-What is a good cad cell reading in the light? - -300 -1,000
-What is a good cad cell reading in the dark? - -100,000
-What device sees flame failure and causes it to lockout? - -Cad Cell
-A boiler has been flooded by recent rain. What would be the most common
problem for a burner as a result - -Electrical damage
-What is the minimum size of pipping for copper and black pipe in a
residential installation? - -3/8 unless over 100 ft
-If you increased the air on a burner what would happen to the Co2
Reading? - -It would go down
-If you increased the air on a burner what would happen to stack
temperature? - -It would go up
-Give 2 reasons why draft is necessary? - -Remove flu gasses & efficiency.
-Would an increase in excess air raise or lower the stack temp? - -Raise
-Where should a hot water temp operating control not be located? - -Away
from the tankless coil
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