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Massachusetts Oil Burner Study Guide
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What is the voltage found at the TT terminals ✔✔24 volts
What are the 8 steps of a no heat call ✔✔1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is being used on a one or two pipe system
What is a cad cell ✔✔A device containing condominium sulfide used to prove the flame in oil burner furnace
How much air is needed to burn a gallon of number 2 fuel oil and why. ✔✔In 2015 most oil burners are set up to burn with approximately 50% excess air because it would be dangerous to set up a burner for exactly the correct amount of air
What is the term InStep mean ✔✔The stack relay is operating correctly
What is normal pump pressure ✔✔100 PSI
How is combustion achieved ✔✔Atomization, air, ignition.
What is primary air and secondary air ✔✔Primary air, air that is introduced to a furnace burner before the combustion process has taken place. secondary air, air that is introduced to the furnace after combustion has taken place and that supports combustion
How should an oil tank be supported ✔✔It shall be secured attached to a non-combustible supports
What is the wire gauge use an oil burner circuits ✔✔14 gauge 15 amp fuse
How is an oil burner wired ✔✔Shall be wired on its own circuit. All protective control and emergency devices shall be series connected in the grounded line conductors. all the electrical wiring shall be in accordance with 527 CMR 12.00 Massachusetts electrical code
What size vent pipe is required with a 2 inch fill pipe ✔✔A fill pipe shall not be greater than the vent pipe. The minimum the fill pipe in the state of Massachusetts is one and one quarter inch.
What is the flash point of number 2 fuel oil ✔✔115 degrees Fahrenheit
When does the law require a combustion efficiency test ✔✔During installation and maintenance
What controller shuts off the oil burner in the event of excessive temperature in the appliance ✔✔The high limit switch
What are the three functions of an oil pump ✔✔1- filters 2- pressurizes 3- pumps fuel to the burner
How is an oil burner circuit wired ✔✔In series on its own circuit
How is oil flow adjusted in a rotary burner ✔✔Constant level and metering valve
What does InStep mean ✔✔The stack relay is operating properly
How is combustion achieved ✔✔Atomization ,air ,ignition.
What is the minimum size oil line for residential burners ✔✔3/8 inch
How is safety timing checked on a stack relay switch ✔✔Remove the stack relay from the duck and let it run .it should shut off in 45 seconds.
What is the safety lockout time on Burner firing under 3 gallons per hour ✔✔45 seconds
What control devices are found on gravity feed burners ✔✔Constant level valve
When is a vent pipe required ✔✔When the Supply tank is larger than 10 gallons
What is the time limit for submitting certificate of completion ✔✔Within 72 hours
What kinds of joints are used on tank installations ✔✔Swing joints
Why are swing joints used on oil tank installations ✔✔Shifting with in the tank
When does code require low water cutoff ✔✔Always on a steam boiler ,and when hot water heater has an input rating of 400,000 BTUs an hour or greater
What are the three functions of a pressure regulating valve on an oil pump ✔✔Maintain boiler pressure clean sharp cut off and Supply oil.
What must be done prior to installing an oil burner ✔✔One must get a permit before installing an oil burner
What are the four no heat call steps ✔✔#1Oil check#2 fuse breaker#3 emergency switch# power
What are the requirements for oil fuel vent pipes that terminate outside of the building ✔✔No openings within two feet of vent
What is the safety timing of a gas pilot ignition ✔✔15 seconds or less
What must be done to install an additional fuel tank in a building that already has a tank holding 1320 gallons ✔✔They must have a firewall around them
What must be done with the bypass plug on a two pipe system and on a one pipe system ✔✔On a one pipe system. the bypass plug must be removed .on a two pipe system the bypass must be installed.
What is a bypass plug ✔✔A 1/16 inch plug to convert 1 pipe to a 2 pipe system
What is a power burner ✔✔Anything that's not a vaporizing oil burner
Can a series 10 .3 wire thermostat be used with a 2-wire control? explain. ✔✔Yes by jumping out the ground
Can a series 80 dryer thermostat be wired into a 3-wire control ✔✔No
What is the greatest loss in a boiler ✔✔Heat loss through the chimney
How high on the wall should thermostat be installed ✔✔5 feet from the ground
How much air is needed to burn a gallon of fuel oil and why ✔✔14.4 plus 50% 192 feet cubed 154 CF to ensure enough oxygen
When visually adjusting the flame on an oil burner you should try to get ✔✔An orange flame with red Flame tips
Explain how a burner should be piped when the supply tank is located below the burner ✔✔2. Pipe dual stage with a bypass plug
How should a stack switch be installed according to 527 CMR 4.00 ✔✔With a flexible conduit
Why should a stack switch not be rigidly mounted ✔✔So you can pull it out and check it
What are the purposes of a hot and cold contacts in stack switches ✔✔Hot: as they heat up hot contacts close .Cold: normally closed switches open when heat heats them up.
What is delayed ignition ✔✔Fuel introduced to the combustion chamber before ignition
What are two causes of delayed ignition ✔✔The igniter electrodes or weak Transformer
how is a cad cell primary control relay put in step ✔✔The reset button
On domestic oil tanks when is it necessary to install a vent alarm ✔✔On tanks greater than 10 gallons
Must every fuel tank have a gauge ✔✔No .only on tanks greater than 10 gallons.
What is the Pensky Martens test ✔✔It's a Flashpoint test
List all requirements for the fill and vent pipes ✔✔Swing joints on the fill pipe minimum of one and one-quarter inch and the vent has to be as large or larger than the fill. vent must be two feet away from any opening in the house and it must be three feet off grade
List all the devices necessary for safe operation of a forced hot water system with domestic start from the fuse box ✔✔Fuse box emergency switch thermal cut-out service which limit switch primary control
What is the purpose of a reverse acting control ✔✔To prevent cold water from being circulated on cold start
How is a safety lockout determined on a stack switch without removing it from its holder ✔✔Remove the third terminal
Is CO2 test determines ✔✔The percentage of carbon dioxide in the flue gas
When Shall steam heating boiler and a hot water boiler require inspection by the commissioner of mass Dept of Public Safety before it is put into service ✔✔Any time a permit is pulled to install or alter a burner
Where is the check valve installed on a two pipe system when there is a lift situation ✔✔As close to the tank as possible supply-side
How many seconds must have primary safety control shut off the burner ✔✔Firing Less Than 3 gallons per hour 45 seconds firing 3 - 7 gallons per hour 15 seconds
What is normal pump pressure ✔✔100 PSI
What would be the advantages of a pump pressure higher than 100 PSI ✔✔A cleaner burn
What determines the size of a nozzle gallons per hour ✔✔The maximum firing rate
What is the purpose of a draft regulator ✔✔To get the proper amount of air flow through the burner
What are two ways to adjust draft ✔✔Primary and secondary air ,and the draft regulator
What is the purpose of a flow check valve ✔✔Make sure flow of water does not go into the Zone that's it is unwanted
What is the minimum gauge of an above-ground tank ✔✔12 gauge
What are the two motor speeds ✔✔1725 and 3450
What is a drop lever valve ✔✔Oil shut off
What effect would cut down on excess air have on co2 percentage ✔✔It would increase CO readings
The limit on a steam boiler operates by ✔✔Pressure
What is the approval of a 660 gallon tank ✔✔Standard of UL 80
What is the approval of an oil tank larger than 660 gallons ✔✔Standard of UL 142
Can two supply tanks be provided with only one fill pipe and vent pipe ✔✔Yes
Can Teflon tape be used on oil line connections ✔✔No
When must oil lines be in closed in a non-metallic sleeve ✔✔When there is direct contact with concrete or Earth
What is a gallon of oil ✔✔The amount of oil to occupy one standard u.s. gallon 231 cubic inches at a temperature of 60 degrees Fahrenheit
How should multiple oil tanks be separated from other portions of a building ✔✔2 hour rated fire resistive assemblies with openings protection and continuity
How should a little tank of less than 10 gallons be installed ✔✔At least 2 feet from any heat source
When when installing a tank larger than 10 gallons capacity is provided with an opening in the bottom for use as a burner Supply connection or as a drain how should the tank be pitched ✔✔Towards the opening
What is code with tank insulation inside garages ✔✔Must have a Automotive protective barrier.
Individual Supply tanks larger than 660 gallons shall be enclosed ✔✔True
How should an enclosed tank be supported ✔✔By at least four inches above the floor by Masonry sadels at least 12 inch thick space not more than 8 feet on Center and extending the full
What is the difference between an auxiliary tank and Supply tank ✔✔Supply tank is the primary tank the auxiliary tank is a secondary tank
What is the purpose of Form 1 ✔✔An application for a permit to install or alter oil burning equipment
Can stack switches be used as a primary control ✔✔Yes
How much time do you have to file an application after an emergency install ✔✔24 hours excluding weekends and holidays
According to code when is a low water cut off required on a steam boiler ✔✔Steam boilers and hot water boilers above 400000 BTUs
According to code when is a low water cut off required on a water boiler ✔✔Always
On a no heat call why would the system run when you jump out the T&T terminals ✔✔Bad thermostat or faulty wiring
When are two thermal switches required ✔✔When in a room with 12 foot ceilings are higher
What is considered a good draft ✔✔.01 - .02 inches of water column
The primary control must be capable of reacting to ✔✔The presence or absence of a flame
The heat anticipator in a thermostat should be set to ✔✔The amperage draw of the control unit
Electrical current the amount of electricity flowing in a circuit is measured in ✔✔Amps
Advantage of PSC Motors over conventional split phase Motors is they ✔✔Are protected by an overload switch
Before using an electronic analyzer you must ✔✔Performers smoke test to be sure you're bringing at 0 to trace of smoke
If a oil pumps gears are partially impeded by rust and difficult to turn it can cause ✔✔The amperage draw of the burner motor to increase
