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Nozzles can be cleaned to remove any carbonization by using a very fine wire brush.
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Resistance
The purpose of the Low Level Outlet Works is to __________________.
Coefficient of heat transmission
FSM/FSD
A building under design in a temperate climate will have some areas that require cooling and others that require simultaneous heating. To minimize energy use, the best devices to employ would be
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refrigeration cycle
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How can a technician tell the difference between an up-flow furnace and a down-flow furnace?
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During diagnosis of an ATC system a trouble code is obtained that references the blend door feedback sensor. Tech A sasy the sensor should be replaced. Tech B says the sensor circuit should be tested. Who is right?
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All of the following could cause poor heating performance EXCEPT:
what are three elements used with a line voltage thermostat
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