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antionett15 antionett15
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Posts: 523
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6 years ago
What is the difference between a viscous impingement filter and a standard filter?
 
  A) viscous filters are tested for viscosity
  B) viscous filters are treated with a sticky substance to trap and hold dirt
  C) viscous filters use an electrical charging system
  D) viscous filters are specifically for filtering oil

 Q. 2

Larger fan coil units are most commonly used to condition
 
  A) Hotel and motel rooms
  B) Schools
  C) Factories
  D) Offices and stores where common air distribution is feasible

 Q. 3

What is the additional charge required for a system with a factory charge of 56 oz of R-410A, an assumed length of 15 ft, and a 3/8 in liquid line that is 35 ft long?
 
  A) 35  0.6 = 21 ounces B) (35 - 15 )  0.6 = 12 ounces
  C) 56 oz + 12 oz = 68 ounces D) 56 oz + 21 oz = 77 ounces
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jjjjjljl;jjuhkjjjjjjljl;jjuhkj
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Posts: 307
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6 years ago
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antionett15 Author
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6 years ago
Smart ... Thanks!
sweetalia
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
tcat
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2 hours ago
Helped a lot
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