What is the difference between a viscous impingement filter and a ...

[melina_rosy]

What is the difference between a viscous impingement filter and a standard filter?
 
  A) Viscous filters use an electrical charging system.
  B) Viscous filters are tested for viscosity.
  C) Viscous filters are treated with a sticky substance to trap and hold dirt.
  D) Viscous filters are specifically for filtering oil.

Question 2

Where do commercial refrigeration rack systems get their name?
 
  A) They use multiple individual condensing units mounted on a large rack outside.
  B) They were originally developed by Refrigeration of Ackworth Corporation.
  C) RACK stands for Refrigeration Air Conditioning Kontrol.
  D) They use multiple compressors mounted in a row on a rack.

[isabelt_18]

Answer to Question 1

C

Answer to Question 2

D

[melina_rosy]

Gracias!

[duy1981999]

Excellent