Journeyman Oil (For the State of Maine) Questions and Answers 100% Accurate
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Journeyman Oil
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Journeyman Oil
Journeyman Oil (For the State of Maine) Questions and Answers 100% AccurateJourneyman Oil (For the State of Maine) Questions and Answers 100% AccurateJourneyman Oil (For the State of Maine) Questions and Answers 100% AccurateJourneyman Oil (For the State of Maine) Questions and Answers 100% Accurat...
the use of furnace cement or other materials to se
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Journeyman Oil (For the State of
Maine) Questions and Answers
100% Accurate
The use of furnace cement or other materials to seal a cracked heat
exchanger or parts which provide closure shall be for _________ repairs only. -
ANSWER-Temporary repairs
The technician may install the branch circuit overcurrent device, provided a
space in the electrical panel is available. The technician may also install the
associated low voltage wiring provided its power supply is fed from the
heating branch circuit. True/False? - ANSWER-Ture
Warm air ducts can have a heat loss as great as? - ANSWER-40%
Direct vent heating units less than 50,000 BTU's may be vented _______ from
a window. - ANSWER-9" inches
,If a fuel storage tank is permanently removed from service for whatever
reason, the tank and all the piping connected to it, including the outside fill
and vent piping and any supply piping connected to the appliance, shall be: -
ANSWER--Emptied of all liquid contents and sludge.
-Cleaned and rendered free of combustible vapors.
-Removed from premises or property.
-Properly disposed of in accordance with all applicable local, state, and
federal rules and regulations.
What is an indicator that you may have a plugged fuel filter? - ANSWER--High
vacuum on the oil line.
-Tripped control.
What is the main reason for chamberless firing? - ANSWER-Better heat
transfer.
When doing an efficiency test, the burner must run for a minimum of 5
minutes to allow... - ANSWER-The appliance to reach a steady state.
How many times do you pump a "wet" tester for a proper CO2 sample? -
ANSWER-18-20 times.
,What is the normal fuel pressure delivered to the nozzle? - ANSWER--Older
burners = 100psi
-Newer burners= 140psi
Oil lines need about ______ to ______ Hg of vacuum for each foot we lift of oil.
_____ inch of vacuum for each 10 feet of horizontal run and ______ inch for a
clean oil filter. - ANSWER-.75' to 1" Hg for each foot of lifted oil.
1" of vacuum for each 10 feet of horizontal run.
1/2" of vacuum for a clean oil filter.
To calculate the vacuum, figure about ____ of vacuum for each foot of oil lift,
_____ of vacuum for each _____ feet of horizontal run, and ______ for a clean
oil filter. - ANSWER-1" inch
1" inch
10' feet
1/2" inch
What is the calculated vacuum for a two stage pump operating with 7ft of lift
and 30ft of horizontal offset? - ANSWER-10.5 Hg
, What is the radius of a pipe? - ANSWER-Half the diameter.
What is the diameter of a pipe? - ANSWER-Distance across the the pipe.
What is the circumference of a pipe? - ANSWER-Diameter x PI
One pound of water pressure is good for how many feet of height in pipe? -
ANSWER-2.3 feet
Can a chimney connector pass through a wall? - ANSWER-Yes.
If all combustible materials in the wall are cut away from the chimney
connector a sufficient distance to provide the clearance required and a non
combustible material is used to close up the opening.
Appliances requiring a negative chimney draft, the chimney connector shall
be not longer than ______% of the portion of the chimney above the chimney
connector inlet. - ANSWER-75%
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