Exam (elaborations)
MA OIL BURNERS TEST EXAM WITH VERIFIED ANSWERS #16
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MA OIL BURNERS TEST EXAM WITH VERIFIED ANSWERS #16
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What must you do if you notice code violations in a homeowners house? - correctanswer 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
When inside tanks are used and the oil supply tank is installed in a separate room, a
thermally shutoff valve must be installed where? - correct answer Where the line enters
the room where the appliance is located
Whenever the oil supply is taken from the top of an oil tank a thermally operated wheel
or lever type shut-off valve must be installed where? - correct answer At the tank and at
the burner
What may be installed in the supply line but not a return line? - correct answer A check
valve
, All copper oil supply and return lines must be encased in a continuous piece of no
metallic liquid tight conduit such as PVC, ENT, coated copper tubing. The end of the
conduit shall not exceed how far from any connection except the connection at fuel
tank? - correct answer 2 inches
In order to avoid undetected oil leaks under floors, the conduit must be how much
bigger than the supply and return lines? - correct answer One pipe size larger
An oil supply line that penetrates a foundation wall must be what? - correct answer
Sealed
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
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