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Question
51. Which of the following modes of air line respirator is most dependent upon fit for its effectiveness?a. continuous demand
b. demand flow
c. pressure demand
d. continuous flow
Answer
This answer is hidden. It contains 12 characters.
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LEL: 1.5%
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VAPOR DENSITY: 2.48
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73 The temperature at which a fire on the top of a flammable liquid is sustained is called.
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d. UEL