A bi-flow thermostatic expansion valve:
A) Can be used with two different refrigerants by selecting the correct flow.
B) Allows refrigerant flow in both directions.
C) Can be used with two different capacity units by selecting the correct flow.
D) Can be used for creating two stages of heating or cooling.
Question 2
What is specific humidity?
A) The relative humidity for any particular air sample
B) The weight of water in each pound of dry air, measured in grains
C) The humidity level required for a particular application
D) The amount of water in the air compared to the amount of water the air could hold
Continuous positive airway pressure (CPAP) device. The sleeping subject is receiving the benefits of
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