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