Large rooftop package AC units often use ________ sensors to help draw in fresh air to meet code requirements and to cool if temperature and humidity permit
A) Enthalpy B) Low pressure C) Economizer D) Airflow
C
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What changes have occurred in our atmosphere over the past 2000 years?
What will be an ideal response?
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Answer the following statement true (T) or false (F)
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Indicate whether the statement is true or false.
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Answer the following statement true (T) or false (F)
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