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psatana8 psatana8
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6 years ago
What is a HEPA filter?
 
  A) a filter that is at least 75 efficient at removing 1 micron particles
  B) a filter that is at least 85 efficient at removing all sizes of particles
  C) a filter that is at least 99.99 efficient at removing 0.3 micron particles
  D) a filter that is at least 95 efficient at removing all sizes of particles

 Q. 2

Assuming the use of 4'  8' sheets of drywall, an 11'  17' room with 8' ceilings would require _____.
 
  a. 11 sheets
  b. 12 sheets
  c. 13 sheets
  d. 14 sheets

 Q. 3

Freezing food slowly:
 
  A) Preserves the food's nutritious value.
  B) Preserves the food's taste.
  C) Forms large ice crystals that break the cell walls of the food.
  D) Was developed by Clarence Birdseye.
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whatever77whatever77
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6 years ago
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psatana8 Author
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6 years ago
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