The boiling point of a refrigerant should be low enough at atmospheric pressure to keep the system pressure above 0 psig when operating at low temperatures.

Answer the following statement true (T) or false (F)


True

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Resistance is the ____________________ of conductance

Fill in the blank(s) with the appropriate word(s).

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Why might there be a negative pressure on the condensate outlet in a coil operating at a positive static pressure?

A) A positive static pressure is really negative compared to atmospheric pressure. B) The air velocity can create a negative pressure. C) The algae collecting in the drain pan creates a negative pressure. D) The draining water creates an internal pressure in the drain line.

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To block input frequencies greater than the Nyquist frequency a DSP system typically uses ________

A) a fast op-amp comparator B) a flash ADC C) a frequency divider D) an anti-aliasing filter

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How far the tubing is installed inside of the fitting is called the _____

a. insertion length b. tubing length c. insertion depth d. cup depth

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