Author Question: What is the difference between a viscous impingement filter and a standard filter? A) Viscous ... (Read 71 times)

melina_rosy · **on:** Jul 24, 2018

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.