The inducer in a condensing furnace runs, but the burners will not light. One possible cause is _____

a. an undersized inducer
b. an open 24V transformer
c. an oversized chimney
d. snow blocking the air intake


d

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What materials are normally used in air-conditioning duct systems?

What will be an ideal response?

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The A, E, B, and O horizons make up the solum, which contains the most plant roots

Indicate whether the statement is true or false.

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A camshaft is hardened during manufacturing to a typical depth of ________ inch

A) 0.42 to 0.60 B) 1/8 C) 0.001 to 0.006 D) None of these

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Using properties of saturated water, explain how you would determine the mole fraction of water vapor at the surface of a lake when the temperature of the lake surface and the atmospheric pressure are specified.

What will be an ideal response?

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