A hazard/risk category 4 task requires the use of FR clothing with a minimum arc rating of _________________.

A. 4
B. 8
C. 25
D. 40


Answer: D

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A particular section of highway has experienced 3 fatal crashes, 29 injury crashes, and 32 PDO crashes during the study period. Determine the equivalent number of PDO crashes.

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Find the signal energy of each of these signals.

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