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yelizabeth yelizabeth
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6 years ago
Which of the following statements about fire-gas detectors is MOST accurate?
 
  A. Fire-gas detectors are also called visible products-of-combustion detectors.
  B. Fire-gas detectors initiate alarm signals faster than any other type of detector.
  C. Fire-gas detectors can be designed to be sensitive to only gases produced by hostile fires.
  D. For general detection, fire-gas detectors monitor levels of hydrogen chloride and hydrogen cyanide in the air.
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