Oil Burners State Test Verified 100% Correct!!
how should an oil tank be supported
Ridgid non-combustible supports to prevent settling, sliding, or lifting
what is the wire gauge used on oil burner circuits
14 gauge minimum
how is an oil burner wired
oil burners are wired intermittent or in...
Oil Burners State Test Verified 100% Correct!!
how should an oil tank be supported
Ridgid non-combustible supports to prevent settling, sliding, or lifting
what is the wire gauge used on oil burner circuits
14 gauge minimum
how is an oil burner wired
oil burners are wired intermittent or interrupted
what does intermittent or interrupted mean
intermittent - Transformer stays on throughout the burner firing cycle
interrupted - Transformer drops out after flame established
who approves oil burners in Mass
the fire marshal
what does the term Marshall mean
State Fire Marshal
what size vent pipe is required with a 2-inch fill pipe
2 inch minimum
what are the elements found in fuel oil
85% carbon
15% hydrogen
what is fuel oil
a hydrocarbon
how must fuel oil be prepared for combustion
it must be atomized or vaporized, and mixed with air
What is a BTU (British Thermal Unit)?
the amount of heat necessary to raise 1 lb of water, 1° Fahrenheit
how many BTUs are there in a gallon of number 2 fuel
140000
what determines the GPH of a nozzle
the orifice
what is a degree day
65 degrees Fahrenheit minus the daily average temperature
can materials other than steel be used in fuel oil tanks
yes, is approved
what does the word approved mean
accepted by the Marshall, or by a laboratory, which is by the Marshall
when is a combustion efficiency test required by law
after installations and alterations
what control shuts off the oil burner in the event of excessive heat temperature in
the appliance
the high limit
name three functions of an oil pump
pick up, pressurize, and strain oil
how is oil flow adjusted in a rotary burner
by the constant level valve
, how is safety timing checked on a stack switch
remove the stack switch from its holder or disconnect Terminal 3, fire the control and
time it's lockout
what is safety lockout timing firing under 3 GPH
45 seconds
how should a stack control be mounted according to code
not rigidly mounted
why should stack switch not be rigidly mounted
so it can be easily removed for cleaning and inspection, without disturbing any wiring
what safety devices are found on a gravity burner
a constant level valve, and a solenoid valve
when is a tank vent pipe required
on all tanks
what must be done after an installation has been completed
a certificate of completion must be submitted
where are certificates of completion submitted
local fire department
what is the time limit for submitting a certificate of completion
72 hours, excluding weekends and holidays
what is on a certificate of completion
Name of burner
Approval number issued by Marshall
Grade of fuel oil used
Size of tank in gallons
Any special requirements that pertain to the installation
Assurance of compliance with regulations
Assurance that proper maintenance instructions have been left with the owner or
occupant
Name and address of the owner or occupant of the premises where the installation or
alteration was made
Results of combustion efficiency test and nozzle size
what kind of joints are used on tank installations
swing joints
why are swing joints used
to allow for movement or settling without pipe and tank damage, and to enable the pipe
to pitch back towards tank
what is the minimum distance that a burner must be from a tank
5 ft
how many gallons of oil may be stored without a permit
10 gallons
how much outside or replacement air is needed in a confined space
140 square inch top and bottom per gallon per hour
how much outside of replacement air is needed in a boiler room of tight
Construction
28 square inches per gallon per hour
what is a flame detector
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