(Massachusetts) Questions and Answers
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
, 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
If you increased the air on a burner what would happen to stack temperature? - Answer-
It would go up
Give 2 reasons why draft is necessary? - Answer- Remove flu gasses & efficiency.
Would an increase in excess air raise or lower the stack temp? - Answer- Raise
Where should a hot water temp operating control not be located? - Answer- Away from
the tankless coil
What are the requirements for pressure controls for boilers? - Answer- Line Voltage, (
Max 15 psi ) , Mounted on pigtail, and above water line.