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Respiratory Protection Quiz

Can you answer these questions?

Question
11
Q
Which of the following air-purifying respirators has an Assigned Protection Factor (APF) equal to 50?
  • (A)  Half Mask/Dust Mask
  • (B)  Full Facepiece
  • (C)  A loose-fitting Powered Air-Purifying Air Respirator
  • (D)  A hood-powered PAPR
Give me a hint
Hint:
To come _____ circle.
A
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