Rooftop units can have the ductwork connected to either:
A) The main unit or a satellite blower coil. B) The top or side of the unit.
C) The bottom or side of the unit. D) The bottom or top of the unit.
C
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What will be an ideal response?
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The time interval between two successive peaks of a sustained sine wave on a Ziegler-Nichols graph is the ____.
A. ultimate gain B. ultimate proportional band C. ultimate period D. all of the above
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The difference in the level of heat between two substances will determine the heat transfer rate between the substances.
Answer the following statement true (T) or false (F)
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In the emergency heat mode, the auxiliary heat source becomes the primary heat source because of heat pump failure.
Answer the following statement true (T) or false (F)
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