What does the furnace board do on most modern furnaces?
A) It cycles the indoor blower motor.
B) It controls the ignition, safety, and blower operation.
C) It controls the flame's ignition sequence.
D) It monitors furnace safety.
B
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A ____ is the amount of roofing required to cover 100 square feet of roof surface.
a.deck b.square c.shingle butt d.course
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How should you determine the heat anticipator setting on a room thermostat using individual sequencers?
What will be an ideal response?
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Which of the following BCD numbers represent the decimal number 84?
A) 0100 1000 B) 1000 0100 C) 1110 0110 D) 1000 0010
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When a 4- to 20-mA electronic transmitter is being calibrated, the current it produces when the span adjustment is made is ____________________ mA.
Fill in the blank(s) with the appropriate word(s).
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