Mass oil burner / NFPA 31 & NORA Exam Questions and Answers

Cast iron fittings can be used in heating fuel systems? - Answer- False Tank vent shall terminate - Answer- Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - Answer- Top supply connection Fuel return piping from an appliance shall - Answer- Enter the top of the tank Oil appliances burning used oil shall only be installed - Answer- In commercial or industrial occupancies Technician must be present for filling of new oil tank - Answer- False A common tank vent pipe shall be - Answer- One pipe size larger than the largest individual vent pipe connected to it If oil supply piping is not visible for inspection you must - Answer- Pressure or vacuum test the line Installation instructions for the care and operation of the appliance must be posted - Answer- True Oil burning appliances shall have - Answer- Limit control for pressure in steam, temperature in water boiler, and temperature in furnace Above ground tank installed inside must be pitched - Answer- Torwards the supply at a pitch of 1/4 inch per foot Outdoor tanks must be located - Answer- Five feet from property line for 275g or smaller, ten feet for more than 275 but not exceeding 660g. Must be on concrete slab A chimney connector shall maintain a pitch or rise of - Answer- 1/4 inch per foot Minimal gauge thickness for steel flue pipe connectors less than nine inches in diameter - Answer- 26 gauge Oil fired water heater must be equipped with water temp, pressure, and vacuum relief device - Answer- True Tank vent piping shall be - Answer- Pitched forward tank, terminate two feet minimum from building openings, corrosion resistant weatherproof cap Direct vent systems shall terminate - Answer- 4 feet horizontally from a building opening Fuel can be transferred from tank to appliance by pressurizing the tank - Answer- False Fusible link safety shutoff valves shall be located - Answer- Within six inches of the filter between the tank and filter Before installation of new oil burner you are required to - Answer- Inspect the combustion chamber A crankcase oil burner can be installed in any location where a standard oil burner was located - Answer- False Can tanks be installed in garages - Answer- Yes, if protected from vehicle impacts by barriers Teflon tape can be used on oil lines - Answer- False The trial for ignition period for oil burners less than 20 GPM is? - Answer- 15 seconds Fusible switches shall operate at a temp of - Answer- 165F A masonry chimney needs a metal liner - Answer- False Any valves used on oil burner installation must be a - Answer- Fusible valve What form is used to pull an oil burner permit - Answer- Form 1 What size pipe is used to cross connect tank outlet piping - Answer- 1/2 inch What is an oil safety valve required - Answer- On existing installations when a burner, boiler, furnace or tank is replaced When must you install a draft regulator - Answer- When not exempted by the manufacturer As of January 1 2014, max safety timing for an oil burner safety switch must be no more than - Answer- 15 seconds What type of boiler must be equipped with low water cut off - Answer- Water boilers over 400,000 BTU, all steam boiler What device must be equipped with air proving switch - Answer- A draft inducer New burner controls must be - Answer- Interrupted ignition Hot water boilers need low water cut off if over - Answer- 500,000 BTU How far must continuous concrete slab extend beyond tank perimeter - Answer- 8 inches Can I use any form other than form 1 or form 1A - Answer- No, only form 1 and 1A are approved by state fire Marshall What must I do if I have a oil tank larger than 10,000 gallons - Answer- You must apply for, and obtain both a permit and license from the local town or city for the use of the tank What license are acceptable for installing an oil burner or oil tank - Answer- M.G.L c. 148, & 10D, and applicable provisions of St. 1964, C. 680 allows for only the holder of certificate of competency to install oil burner equipment and sign form 1A Do I need to pull a permit when replacing an oil line or installing an osv - Answer- Yes. Any alteration of oil burner install requires a permit be pulled under CMR 1.00 using form 1 only Can I cross connect two tanks at bottom with 3/8 pipe tubing - Answer- No, cross connecting must be made with no smaller than 1/2 inch iron pipe or o.d. Tubing On a new install, can I install an OSV in the supply line instead of enasing the line - Answer- No, on new installs where the supply line is in direct contact with concrete or earth, the supply line must be in a sleeve Is any non metallic material acceptable for use as an oil line sleeve? Would pvc hose be allowed - Answer- Yes When can I use an oil safety valve - Answer- On existing installations when a burner, boiler, furnace or tank is replaced Can I use either button type or wheel type firomatic switches - Answer- Yes, any thermal switch that follows CMR 1.00 and 527CMR12.00 may be used Can I use a stack switch - Answer- Only to replace an existing control of the same type already in use and existing Can a technician replace an existing primary control with a safety timing of more than 15 seconds - Answer- Only to replace an existing primary control of the same type already in use. All new primary controls must be under 15 seconds Are probe type or float type low water cutoff switches acceptable - Answer- Yes. As long as they are used per the appliance manufacturer instructions Do I have to Sheetrock or install a sprinkler if I have combustibles within five feet vertical of the burner - Answer- No, the overhead protection requirement is no longer required after January 1, 2015. Can any power center be used - Answer- Yes, as long as it's listed and used per manufacturers instructions Must I install a draft regulator - Answer- No, as long as the manufacturer exempts it. A natural draft burner may require one, mechanical draft burner do not. Suitable relief on air inlet system - Answer- A vacuum breaker or air pressure switch. Is 100% outside air required for combustion - Answer- No, however it must be proven than infiltration air will be adequate Can I place an oil fired unit up against a wall - Answer- Yes, as long as it was constructed for zero clearance from combustiables. Clean out and service panels may NOT be blocked Is a drop type lever valve acceptable - Answer- Yes, as long as it's installed to the manufacturer specs How many valves are required on an install - Answer- A minimum of only one at the tank and burner . Must be firomatic. No manual valves allowed Must I install a 1/4 turn valve - Answer- No, unless you chose not to use a emergency switch. The valve must be outside the room the boiler is in and clearly marked Can you solder an oil lines - Answer- Yes by brazing traditional solder with a melting point of over 500F Can I still use an old mass approved tank - Answer- No, after may 1 1996 only tanks that are UL standard found in NFPA 1 are acceptable Can I put an oil tank under a stairway - Answer- Yes, nothing in NFPA 1 prohibits this unless it blocks valves, meters, or panels. When removing an oil tank can I leave the old pipes in the wall - Answer- No Is a tank shed or other structure required by NFPA 31 - Answer- No How far off the floor does an oil burner have to be in a garage - Answer- In a private garage, 18 inches minimum above the floor. In any other garage, 8 feet above the floor.