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Journeyman Oil Maine Fuel Board Rules Questions and Answers
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Journeyman Oil Maine Fuel Board Rules Questions and Answers
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Journeyman Oil Maine Fuel Board RulesQuestions and Answers
Residential steam boilers operate at less than what psi? CORRECT ANS-2
What temperature is the water in a typical boiler? CORRECT ANS-160-180
What are residential hot water boiler relief valves set to open at? CORRECT ANS-30 PSI
How many PSI does it take to push water 2.3 feet up a pipe? CORRECT ANS-1
What is typical residential boiler systems operating pressure? CORRECT ANS-12 psi
How much more does steam occupy then water? CORRECT ANS-1,700 times
What percent of heating oil is carbon and what percent is hydrogen? CORRECT ANS-85%
15%
What is the specified gap for electrodes? CORRECT ANS-1/8 to 5/32
What NFPA do chimneys fall under? CORRECT ANS-NFPA 211
What pressure is a tank tested under? CORRECT ANS-5 PSI
To prevent undetected oil leaks under floors the conduit must penetrate the cement or earth
surface a minimum of what inches above grade? CORRECT ANS-2 inches
,Who is responsible for ensuring that a chimney under the emergency chimney waiver, is
successfully completed? CORRECT ANS-The license
What is allowed to be installed between boiler and safety devices? CORRECT ANS-Nothing
Whenever a copper oil supply or return line is installed under cement, sub floors, or earth
surface it must be run what? CORRECT ANS-Continuously
Wherever an outlet of an oil supply tank is located more than 4' above the burner, what is
required? CORRECT ANS-OSV valve or PRV valve
No oil supply line shall be connected in a wall, ceiling, or partitions unless what? CORRECT
ANS-Access can be made without cutting through existing wall, ceilings or partitions
All existing oil tanks must be held to the same standards as what? CORRECT ANS-Newly
installed tanks
When installing multiple fuel oil tanks with separate fill pipes and a common venting system,
the requirement for increasing the vent pipe one size large is not what? CORRECT ANS-
Applicable
How many times may a welding repair of a heat exchanger be made? CORRECT ANS-Once,
unless a master license makes written request to the board and obtains written approval from
the board before the repair is undertaken
If it becomes necessary to change, modify or alter a manufacturers instructions who must
written approval be obtained from? CORRECT ANS-The manufacturer
, For commercial and industrial furnaces or boiler rooms that are not adjacent to outside walls,
the combustion air shall be supplied in what means? CORRECT ANS-In a manner acceptable
to the authority having jurisdiction
What must you do if you notice code violations in a homeowners house? CORRECT ANS-
Notify them and recommend ways to address them
What must be done when performing an annual tune-up on a heating system? CORRECT
ANS-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 ANS-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 ANS-90 days
What must be performed before a new installation? CORRECT ANS-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 ANS-Low Water cut off
Where shall a low water cutoff be installed? CORRECT ANS-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 ANS-Main supply line (vertical riser) as close to boiler as possible, or in a water
column of continuous piping attached directly to the boiler
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