Which of the following is true of the fan switch?
A) The fan switch is not separate from the burner.
B) Modern fan switches cycle the fan based on time.
C) The fan switch relies on a temperature cycle in modern furnaces.
D) The fan switch starts the blower when the burner starts.
B
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Answer the following statement(s) true (T) or false (F)
NFPA 58 dictates requirements for installations inside the building.
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Which state is the leading producer of wood? Why?
What will be an ideal response?
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Which tier of emission standards became fully effective in 2009?
A) Tier 1 B) Tier 3 C) Tier 2 D) None of these
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A flue gas analysis kit contains a ____.
A. CO2 tester, draft gauge, and flue gas thermometer B. micron gauge C. smoke tester and halide torch D. both a and b
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