The formula for calculating the CFM needed to produce an air ...

[Chloeellawright]

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.

[sultana.d]

Answer to Question 1

B

Answer to Question 2

B

[Chloeellawright]

TYSM

[kusterl]

Gracias!