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).
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.
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
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