Download Journeyman Oil Maine Fuel Board Rules Exam: Questions & Answers and more Exams Law in PDF only on Docsity!
JOURNEYMAN OIL MAINE FUEL BOARD
RULES EXAM | QUESTIONS & ANSWERS
(VERIFIED) | LATEST UPDATE | GRADED
A+
What must you do if you notice code violations in a homeowners house? Correct answer: Notify them and recommend ways to address them What must be done when performing an annual tune-up on a heating system? Correct answer: A combustion efficiency test and a copy must be posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? Correct answer: NFPA 31 When an emergency arises that does not allow adequate time to get a chimney lined/and or repaired before installing the new heating appliance the licensee may defer the required repairs for how long? Correct answer: 90 days
What must be performed before a new installation? Correct answer: A heat loss system design and load calculation. A copy must be retained to be presented upon request of board inspector All oil fired BOILERS must be provided with a properly installed and operating what? Correct answer: Low Water cut off Where shall a low water cutoff be installed? Correct answer: At the level recommended by the manufacture, but in no case below the crown sheet If the low water cut off is not installed directly in the boiler where may it be installed? Correct answer: Main supply line (vertical riser) as close to boiler as possible, or in a water column of continuous piping attached directly to the boiler A listed lever or wheel thermally operated oil shut off valve must be installed where? Correct answer: At the burner and the oil supply tank When outside tanks are used a thermally operated shut off valve must be installed where? Correct answer: The supply line enters the inside of the building and where the oil line enters the room where the appliance is located
What must coated copper tubing have installed at the tank when used underground? Correct answer: Oils Safety Valve or PRV When an oil filter or other accessory equipment is connected to a copper piping smaller than 3/4 "and is not directly connected to the oil tank or burner the filter or other device must be what? Correct answer: Rigidly supported by wall or floor mounted brackets What must supply and return lines be connected with? Correct answer: Flare fittings What fittings shall not be used unless for introduction of lines at top of the tank with a single or double tap bushing? Correct answer: Compression fittings All connections of supply or return oil lines located outside must be made with what? Correct answer: Flare frost fittings Manholes 16 inches in diameter or larger must be installed in the top of all tanks over what? Correct answer: 5,000 gallons or more
All fuel oil supply tanks must be a minimum of how many feet from any gas or solid fuel burning appliance? Correct answer: 5 feet Outside oil tanks shall not be installed on what? Correct answer: Wood or other combustible surfaces In all tank instillation's the pipe flanges must be in direct contact with reinforced concrete pad or solid concrete blocks, what is not permitted? Correct answer: Use of shims In order to prevent oil spills, outside tanks and piping must be located such that they are not subject to snow or falling ice. To meet this requirement the tank and outdoor piping must be installed where? Correct answer: With a protective cover over tank valve, oil filter, and any piping which is either without structural support or not attached of side of building Where shall oil shut off valves be installed Correct answer: Immediately adjacent to the burner supply connections at the bottom of the supply tank All No.1 and No.2 fuel oil tanks from 11 to 5,000 gallons located inside a structure must have what?
Where will emergency switch be placed for commercial and industrial equipment? Correct answer: Outside the entrance to the room containing the appliances For steam safety or pressure relief valves which terminate inside the structure must terminate how far above the floor? Correct answer: 6 to 12 inches Steam safety and pressure relief valves on boilers must be installed with the spindle in what position? Correct answer: Upright vertical Who must you contact before welding a non residential warm air heat exchanger? Correct answer: Manufacturer. Manufacturer must provide a written statement as to the feasibility of its heat exchange being welded. If heat exchange is no longer in production a master licensee must make written request. Who must oversee welding repairs of a non residential warm air heat exchanger? Correct answer: Master licensee Where shall oil burning appliances not be installed? Correct answer: Areas where combustible dusts or flammable liquids, gases, or vapors are normally present
How far should oil burners be installed from an electrical panel? Correct answer: 3 ft How far should oil burners be installed from an unenclosed fuel oil tank? Correct answer: 5 ft Safety control circuits shall be how many wire? And not exceed what voltage? Correct answer: 2 wire 150 volts How shall safety controls or protective devices be connected? Correct answer: So they interrupt the underground conductor and shut all fuel flow to the appliance, including fuel flow to any pilot flame or burner Where shall a properly sized and rated oil filter or strainer be installed? Correct answer: In the oil supply line to an oil burner For appliance located in unconfined space If normal infiltration is not sufficient air for combustion and ventilation shall be obtained from outdoors or from spaces that freely communicate with outdoor by means of a permanent opening with what free area?
Correct answer: 1 in per 4000 BTU but not less than 35 in ^ Screens used in louvers and grilles shall not be smaller than? Correct answer: 1/4 in mesh If free area of wood louver is not known what free area shall be assumed? Correct answer: 20%-25% If free area of metal louver is not known what free area shall be assumed? Correct answer: 60%-75% How much draft, at a minimum, shall a chimney be capable of producing? Correct answer: Manufacturers recommendation What is required of the draft fan when using a draft fan to increase low draft? Correct answer: That the burner immediately shuts off if fan fails Two or more oil burning appliances shall be permitted to be connected to a single chimney when? Correct answer: When there is adequate draft
What shall be provided for each oil burning appliance that is connected to a chimney or power vent, unless designed, conditions of install, or combination, or appliance is listed for use without one? Correct answer: Draft regulator What type of damper shall not be placed in the chimney connector? Correct answer: Manually operated damper What type of dampers shall be of an approved type and designed to maintain a safe damper opening at all times and shall be arranged to prevent starting of the burner unless the damper is fully opened? Correct answer: Automatically opening dampers Baffles shall be securely fastened into position. When in a closed position baffles shall not block more than what percent of the chimney connector area? Correct answer: 80% What size should chimney connector be? Correct answer: As short as possible For natural draft appliances the horizontal length of chimney connector shall not exceed how many feet? Correct answer: 10 feet
Each joint of the chimney connector shall be fastened with how many screws? Correct answer: At least 3 The entire length of the chimney connector shall be accessible for what? Correct answer: Inspection, cleaning, and replacement Connectors for appliances installed in attics of crawl spaces shall be what type of connectors? Correct answer: Type L or a factory built chimney connector listed for the purpose, or the appliance shall be attached directly to the chimney If two or more openings are provided into a chimney flue what levels shall they be at? And where shall the smaller connector enter? Correct answer: Different levels Higher level What type of fuel burning appliances shall be permitted to be connected to the same flue? What type of fuel is not allowed? Correct answer: Gas is allowed Solid fuel is not Minimum thickness for steel piper connectors
Up to 9in
9 up to 10 10 up to 16
Correct answer: Sheet metal gauge 26 24 22 16 The flue gas exit of a chimney shall be at least how many feet above the highest point where it passes through a roof? And at least how many feet higher than any portion of a building within how many feet? Correct answer: 3ft 2ft 10ft All portions of a mechanical draft system under positive pressure during operation shall be designed and installed as to prevent what? Correct answer: Leakage of flue gas into the building
The combustion air inlet and flue gas outlet of a direct vent appliance or the flue gas outlet of an appliance other than a direct vent appliance shall terminate how many feet from the soffit of the roof? And how many feet from the inside structure of an inside corner of an L-Shaped structure Correct answer: 1 foot 3 feet The exit terminal of a mechanical draft system shall not be less than how many feet above grade when located adjacent to a public walkway? Correct answer: 7 feet Any air inlet and any flue gas outlet of any appliance shall terminate how many feet from the vent outlet of a liquid fuel supply tank? Correct answer: 5 feet Minimum diameter of tank vent opening 660 gallons or less 661 - 3, 3,001-10, 10,001-20, 20,001-35,
Correct answer: 1 1/ 1 1/ 2 2 1/ 3 Tanks shall be permitted to be operated under normal operating pressures that do not exceed what gauge pressure? But will be limited to what gauge pressure under emergency venting conditions? Correct answer: 1 PSI 2.5 PSI Tanks and their supports shall rest on foundation made of what? Correct answer: Solid concrete The tank supports shall be intergal to the tank or shall be made of what? Correct answer: concrete, solid masonry, or steel The distance from any part of an underground tank to the nearest wall of any basement or pit to any property line shall not be less than what? Correct answer: 1 foot A supply tank that exceeds how many gallons shall be installed on the lowest floor
Where three or more tanks are installed as part of a fuel storage system each appliance line shall have what? Correct answer: Own shutoff valve Venting system Own gauge device Any unused opening in a tank shall be closed with what? Correct answer: A vapor tight threaded plug or cap Where a tank or tank system is not located in a dedicated room the max capacity shall not exceed how many gallons for non-engineered? How many for engineered? Correct answer: 1320 1375 An auxiliary tank shall not exceed how many gallons? Correct answer: 60 gallons How and where should auxiliary tanks be filled? Correct answer: Pump transfer from supply tank Where should auxiliary tanks be located? Correct answer: At a level above the top of the supply tank from which they are filled
A tank who's capacity does not exceed 660 gallons shall be permited to be installed outside and adjacent to a building provided they are separated from the adjoining property by what distance? Tanks 275 and under? Tanks over 275? Correct answer: 5 feet 10 feet Where tanks are heated by steam coils the steam coils shall not exceed what gauge pressure? Correct answer: 15 PSI Where tanks are heated by hot water coils the hot water shall be provided by indirect heaters and water shall be limited to what temp? Correct answer: 250 Where tanks are electrically heated the heater shall be equipped with what? Correct answer: Approved thermostat designed to prevent fuel from exceeding minimum flash point For above ground fill and vent piping what material shall be used? Correct answer: Schedule 40 steel
