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Signsnfn Signsnfn
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Posts: 806
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6 years ago
Which of the following statements regarding inspection of foam-water systems is LEAST accurate?
 
  A. The ball drip valves on a standard pressure proportioner should be open.
  B. The pressure vacuum vent on a line proportioner must be operational.
  C. Sensing valves on standard balanced-pressure proportioners must be open.
  D. Corrosion may be present on a line proportioner without compromising the system.
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wrote...
6 years ago
D
Signsnfn Author
wrote...
6 years ago
Appreciate your effort, thank you!
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