Oil Burner study guide with complete solutions
Oil Burner study guide with complete solutions
Oil Burner study guide with complete solutions
Oil Burner study guide with complete solutions
Oil Burner study guide with complete solutions
Oil Burner study guide with complete solutions
Oil Burner ...
Oil Burner study guide with complete
solutions
What is a cad cell? - Answer- Visual flame detector
What does "in-step" mean? - Answer- The primary control start circuit is closed
What is the voltage found at the TT terminals? - Answer- 24 volts
What are the 8 steps on a no heat call? - Answer- Main fuse, oil burner fuse, customer
emergency switch, oil tank, oil valves, high limit, thermostat, primary control.
How much air is necessary to burn a gallon of #2 fuel oil? - Answer- 1540 cubic ft
What is the normal pump pressure? - Answer- 100 psi
How is combustion achieved? - Answer- Proper amount of oil, air, and ignition
What is primary air? - Answer- Air mixed with oil before the nozzle. It is the atomizing air
found on in low pressure burners.
What is secondary air? - Answer- Fan air
Does firbebrick come in different heat ratings? - Answer- Yes
How should an oil tank be supported? - Answer- Rigid, non-combustable supports
What is the wire gauged used on oil burner circuits? - Answer- 14 gauge min
How is an oil burner wired? - Answer- Series; intermittent or interrupted.
What does intermittent mean? - Answer- The transformers stays on throughout the
burner cycle
What does interrupted mean? - Answer- The transformer drops out after flame is
established.
Who approves oil burners in MA? - Answer- Any approved national testing lab
What does the term Marshall mean? - Answer- State Fire Marshall
What size vent pipe is required with a 2 inch fill pipe? - Answer- 2" min
, Can a vent pipe on an oil tank be smaller than the fill? - Answer- No, it can be larger but
not smaller
What is the minimum size of vent and fill pipes? - Answer- 1 1/4"
Explain interrupted ignition - Answer- Transformer drops out after the flame is
established
What permits are available? - Answer- Install, store oil, and tank removal
What are the elements found in fuel oil? - Answer- 85% Carbon and 15% Hydrogen
What is fuel oil? - Answer- Hydro-carbon
How must fuel oil be prepared for combustion? - Answer- It is atomized or vaporized
and mixed with air
What is a BTU? - Answer- The amount of heat necessary to rain 1 lb of water 1 degree
Fahrenheit
How many BTU's are in a gallon of #2 fuel oil? - Answer- 140,000
What determines the GPH of a nozzle? - Answer- The orifice
What is a series circuit? - Answer- the current has only one path to travel
What is a degree day? - Answer- 65 degrees F minus the daily average temp
What is the flash point of #2 fuel oil? - Answer- 110 degrees Fahrenheit
Can materials other than steel be used for fuel oil tanks? - Answer- Yes, if approved
What does the word "approved" mean? - Answer- Accepted b y the Marshall of by the
laboratory which is accepted by the Marshall
When is a combustion efficiency test required by law? - Answer- After installs and
routine maintenances
What control shorts off the oil burner in the event of excessive temp in the appliance -
Answer- High limit
Name 3 functions of an oil pump? - Answer- Pick-up, pressurize, and strain oil
How is an oil burner wired - Answer- Intermittent or interrupted
How is an oil burner circuit wired? - Answer- Series
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