Oil burner test 2023 with complete solutions

Max safety timing on a primary control - Answer- 15 seconds Safety control circuits shall be - Answer- 2-wire, one side grounded, with nominal voltage not exceeding 150v Crankcase/used oil may only be used in - Answer- Commercial/industrial setting. Or in a appliance specifically designed to do so. Oil burning appliance shall be how far from electrical panel and oil tank - Answer- 3 feet from panel, 5 feet from tank Flue gas exit of a chimney shall be Atleast - Answer- 3 feet above highest point of the building, 2 feet above any portion of a building within 10 feet Prior to installation of new equipment, installer must - Answer- Perform visual inspection of the chimney or flue gas venting system Masonry chimneys shall be - Answer- Lined with an approved clay tile liner or a listed chimney lining system Natural draft chimney connector shall not exceed __ unless a draft fan is used - Answer- 10 feet A chimney connector shall not pass through a - Answer- Floor or cieling Chimney connector of low, medium, or high heat Industrial appliance shall not pass through a - Answer- Combustible wall of partisan Chimney connector need a pitch of - Answer- 1/4 A venting system that terminates in the sidewall shall be - Answer- 3 feet above any air inlet that is within 10 feet of the vent. Can I use any forms other than Form 1 or Form 1A? - Answer- No, only Form 1 and form 1A as approved by the State Fire Marshal shall be used by local fire departments and installers. No modification whatsoever of the form are allowed. What must I do if I have a tank larger than 10,000 gallons? - Answer- You must apply for, and obtain both a permit and a license from the local town or city for the use of the tank and the storage of the fuel oil. What licenses are acceptable for installing an oil burner and or an oil tank? - Answer- Holder of certificate of competency Can anyone make out Form 1 or Form 1A? - Answer- Yes, but only a holder of a Certificate of Competency can sign as the installer on a Form 1 and as the inspector in the case of a Form 1A. Do I need to pull a permit when replacing an oil line or installing an osv? - Answer- Yes. Any alteration of an oil burner installation requires a permit be pull under CMR 1.00 using a Form 1 only. Can I cross connect two tanks (at the bottom) to the same burner with 3/8 inch pipe or tubing? - Answer- No, the cross connection of two supply tanks to the same burner must be made with pipe no smaller than 1/2 inch iron pipe or 1/2 o.d. tubing. On a new installation, can I install an oil safety valve or osv in the oil line instead of encasing the line in a continuous sleeve? - Answer- No, on new installations where the oil supply line is in direct contact with concrete or earth, the supply line must be installed in a continuous sleeve. Is any non-metallic material acceptable for use as an oil line sleeve? Would rubber or pvc hose be acceptable? - Answer- Yes. When can I use an osv or oil safety valve? - Answer- On existing installations when a burner, boiler, furnace, or tank is replaced, an osv may be installed at the tank end of the oil supply line instead of replacing the line as in a new installation. Can I use either the button type or wheel type thermal (Firomatic) switch? - Answer- Yes, any thermal switch may be used as long as the manufacturer has secured a listing from an approved testing lab, and that the switch complies with both CMR 1.00, and the Massachusetts Electrical Code, 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 during a routine service call? - Answer- Yes, but only to replace an existing control of the same type already is use and existing. Any new primary control being installed must have a safety timing of no longer than 15 seconds and be equipped to provide for interrupted ignition. Are probe type or float type low-water cutoff switches acceptable? - Answer- Yes, as long as they are of a listed types and used per the appliance manufacturers instructions. Do I have to sheetrock or install a sprinkler if I have combustibles within five feet vertically of the heating unit? Is an AFUE or EF Listing required? - Answer- No, the so called "overhead protection" requirement is no longer required after January 1, 2015. Can any power venter be used? - Answer- Yes, as long as the power venter is listed, used within its listing, and installed according to the manufacturer's instructions. Must I install draft regulator? - Answer- No, as long as the appliance manufacturer does not require that one is necessary for the proper control of draft. A natural draft burner may require one, most mechanical draft burners do not. What is a suitable relief on an air inlet system? - Answer- A suitable relief is either a vacuum breaker, or an air pressure switch. A vacuum breaker is a barometric draft regulator installed on the inlet side of an oil burner air intake. connected by a duct to the air intake hood located outside. Either device may be used, but both devices must be installed following the appliance manufacturers' recommendations. Is 100% outside air required for combustion? - Answer- No, however it must be verified that infiltration will provide adequate air for combustion. If infiltration will not provide enough air, it is recommended that ou