Oil Furnaces, Gas Furnaces, Gas
Furnaces Questions And Answers With
Verified Solutions 100% Correct!!!
You come across an oil furnace that has a tripped primary control. You should
A)
reset the primary controller and attempt to fire the burner.
B)
not reset the primary control, and attempt to view the firepot for pooling oil.
C)
reset the primary control, but do not attempt to fire the burner.
D)
not reset the primary control, and attempt to view the heat exchanger for pooling
oil. - ANSWER✔✔The answer is NOT RESET THE PRIMARY CONTROL,
AND ATTEMPT TO VIEW THE FIREPOT FOR POOLING OIL. You should be
looking for pooling oil in the firepot. You should not reset the primary control.
This may contribute to flooding the firepot.
All of the following are common oil supply line problems except
A)
undersized.
B)
corrosion or mechanical damage.
C)
excess elevation change.
,D)
leak. - ANSWER✔✔The answer is EXCESS ELEVATION CHANGE. Excessive
elevation change is not a common oil supply line problem. A fuel filter is needed
in this arrangement.
All of the following are common vent connector issues on oil furnaces except
A)
poor connection to chimney.
B)
poor support.
C)
poor slope.
D)
loose fittings at plastic connections. - ANSWER✔✔The answer is LOOSE
FITTINGS AT PLASTIC CONNECTIONS. Loose fittings at plastic connections
are not an issue on oil furnaces. Plastic connections would not be used on vent
connectors for oil furnaces.
The barometric damper for a conventional efficiency oil furnace is found on the
A)
heat exchanger.
B)
exhaust flue.
C)
burner.
,D)
furnace cabinet. - ANSWER✔✔The answer is EXHAUST FLUE. The barometric
damper is on the exhaust flue.
The maximum steady state efficiency for an oil burner is
A)
77%.
B)
87%.
C)
82%.
D)
72%. - ANSWER✔✔The answer is 87%. The maximum steady state efficiency for
an oil burner is about 87%.
The primary control on a modern flame-retention head oil burner is typically found
A)
on the furnace cabinet.
B)
on the exhaust flue.
C)
on the heat exchanger.
D)
, on the burner. - ANSWER✔✔The answer is ON THE BURNER. The primary
control is on the burner on a retention head system.
Oil flows from an above ground exterior tank through a 2-inch pipe into the
basement. Here it passes a shutoff valve and a union. The 3/8-inch copper line
starts here and runs to the burner. What is missing?
A)
A manifold to allow oil to be drawn off for other burners
B)
A pump to increase fuel pressure in the exterior line
C)
A fuel pressure reducer
D)
A fuel filter - ANSWER✔✔The answer is A FUEL FILTER. A fuel filter is
needed here.
The heat content of one gallon of No. 2 heating oil is approximately
A)
200,000 BTU.
B)
140,000 BTU.
C)
72,000 BTU.
D)
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