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A comprehensive set of questions and answers related to the journeyman oil maine fuel board rules. It covers various aspects of oil heating systems, including installation, maintenance, safety regulations, and compliance requirements. A valuable resource for individuals preparing for the journeyman oil licensing exam in maine.
Typology: Exams
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What must you do if you notice code violations in a homeowners house? ✔✔Notify them and recommend ways to address them
What must be done when performing an annual tune-up on a heating system? ✔✔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? ✔✔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? ✔✔90 days
What must be performed before a new installation? ✔✔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? ✔✔Low Water cut off
Where shall a low water cutoff be installed? ✔✔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? ✔✔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? ✔✔At the burner and the oil supply tank
When outside tanks are used a thermally operated shut off valve must be installed where? ✔✔The supply line enters the inside of the building and where the oil line enters the room where the appliance is located
When inside tanks are used and the oil supply tank is installed in a separate room, a thermally shutoff valve must be installed where? ✔✔Where the line enters the room where the appliance is located
When an oil filter or other accessory equipment is connected to a copper piping smaller than 3/ "and is not directly connected to the oil tank or burner the filter or other device must be what? ✔✔Rigidly supported by wall or floor mounted brackets
What must supply and return lines be connected with? ✔✔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? ✔✔Compression fittings
All connections of supply or return oil lines located outside must be made with what? ✔✔Flare frost fittings
Manholes 16 inches in diameter or larger must be installed in the top of all tanks over what? ✔✔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? ✔✔5 feet
Outside oil tanks shall not be installed on what? ✔✔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? ✔✔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? ✔✔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 ✔✔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? ✔✔A vent alarm
All No.1 and No.2 fuel oil tanks from 65 to 5,000 gallon capacity located outside must have what? ✔✔Vent alarm
Steam safety and pressure relief valves on boilers must be installed with the spindle in what position? ✔✔Upright vertical
Who must you contact before welding a non residential warm air heat exchanger? ✔✔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? ✔✔Master licensee
Where shall oil burning appliances not be installed? ✔✔Areas where combustible dusts or flammable liquids, gases, or vapors are normally present
How far should oil burners be installed from an electrical panel? ✔✔3 ft
How far should oil burners be installed from an unenclosed fuel oil tank? ✔✔5 ft
Safety control circuits shall be how many wire?
And not exceed what voltage? ✔✔2 wire
150 volts
How shall safety controls or protective devices be connected? ✔✔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? ✔✔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? ✔✔1 in per 5000 BTU
Appliances located in confined spaces
Screens used in louvers and grilles shall not be smaller than? ✔✔1/4 in mesh
If free area of wood louver is not known what free area shall be assumed? ✔✔20%-25%
If free area of metal louver is not known what free area shall be assumed? ✔✔60%-75%
How much draft, at a minimum, shall a chimney be capable of producing? ✔✔Manufacturers recommendation
What is required of the draft fan when using a draft fan to increase low draft? ✔✔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? ✔✔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? ✔✔Draft regulator
What type of damper shall not be placed in the chimney connector? ✔✔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? ✔✔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? ✔✔80%
What size should chimney connector be? ✔✔As short as possible
For natural draft appliances the horizontal length of chimney connector shall not exceed how many feet? ✔✔10 feet
For appliances requiring a negative chimney draft the chimney connector shall not be longer than what % of the portion of the chimney above the chimney connector inlet? ✔✔75%
Connectors for appliances installed in attics of crawl spaces shall be what type of connectors? ✔✔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? ✔✔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? ✔✔Gas is allowed
Solid fuel is not
Minimum thickness for steel piper connectors
Up to 9in
9 up to 10
10 up to 16
16 ✔✔Sheet metal gauge
26
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? ✔✔3ft
2ft
10ft
All portions of a mechanical draft system under positive pressure during operation shall be designed and installed as to prevent what? ✔✔Leakage of flue gas into the building
The flue gas exit of a TYPE L venting system shall be at least how many feet above the highest point where it passes through the rood of a building and how many feet higher than any portion of a building within how many feet? ✔✔2 feet
2 feet
10 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? ✔✔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? ✔✔5 feet
Minimum diameter of tank vent opening
660 gallons or less
661-3,
3,001-10,
10,001-20,
20,001-35,000 ✔✔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? ✔✔1 PSI
2.5 PSI
Tanks and their supports shall rest on foundation made of what? ✔✔Solid concrete
The tank supports shall be intergal to the tank or shall be made of what? ✔✔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? ✔✔1 foot
A supply tank that exceeds how many gallons shall be installed on the lowest floor ✔✔ 60 gallons
A max of 660 gallon storage tank shall be permitted to be installed on a higher floor, provided what? ✔✔The higher floor does not have any floor open space directly below it
Own gauge device
Any unused opening in a tank shall be closed with what? ✔✔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? ✔✔ 1320
1375
An auxiliary tank shall not exceed how many gallons? ✔✔60 gallons
How and where should auxiliary tanks be filled? ✔✔Pump transfer from supply tank
Where should auxiliary tanks be located? ✔✔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? ✔✔5 feet
10 feet
Where tanks are heated by steam coils the steam coils shall not exceed what gauge pressure? ✔✔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? ✔✔ 250
Where tanks are electrically heated the heater shall be equipped with what? ✔✔Approved thermostat designed to prevent fuel from exceeding minimum flash point
For above ground fill and vent piping what material shall be used? ✔✔Schedule 40 steel
Schedule 40 brass
For underground fill and vent pipes what material shall be used? ✔✔Listed nonmetallic
Listed metallic
Steel