When an evaporator float switch is used in the drain pan of an air conditioner or heat pump, if the drain pan fills up, the float will interrupt the low-voltage circuit to:
A) The compressor contactor. B) The gas valve.
C) The fan relay. D) The condensate pump.
A
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A DOHC (double overhead camshaft) V8 engine uses how many camshafts?
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Engine oil passages in an engine block are called ________
A) Oil passages B) Weep holes C) Oil galleries D) Oil holes
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The purpose of a fire damper is to:
A) Prevent the spread of smoke and fire throughout the building. B) Provide a path for the smoke to exit the building in the event of a fire. C) Regulate the amount of combustion air to a fuel burning appliance. D) Regulate the draft in a fuel burning appliance.
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Discuss why a draftsperson might use notes on a drawing.
What will be an ideal response?
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