Questions With 100% Correct Answers.
What are the 3 funtions 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
What are the requirements for pressure controls for boilers?
Line Voltage, ( Max 15 psi ) , Mounted on pigtail, and above water line.
What info on an oil burner certifies it has been approved by the Marshall?
Mass Approval #
What is a scavenger period?
Pre + Post Purge
What are two methods used by domestic oil burners to prepare oil for
combustion.
Atomize & Vaporize
What is composition of #2 fuel oil?
85% carbon & 15% Hydrogen