Author Question: The formula for calculating the CFM needed to produce an air change is: A) CFM = (floor area ... (Read 67 times)

Chloeellawright · **on:** Jul 24, 2018

The formula for calculating the CFM needed to produce an air change is:

A) CFM = (floor area ceiling height)/8. B) CFM = (floor area ceiling height)/60.
C) CFM = floor area ceiling height. D) CFM = (floor area ceiling height)/12.

Question 2

A refrigeration system that uses the evaporator of a higher-temperature system to cool the condenser of a lower-temperature refrigeration system is called a:

A) Transcritical system. B) Cascade system.
C) Subordinate system. D) Supercritical system.