Answer the single-choice question:
A louver is rated to resist water penetration for velocities up to 1000 fpm (5.1 m/s) and has 70% free area. What is the maximum airflow that can flow through a louver with an overall area of 12 ft2 (1.11 m2)?
A. 3600 cfm (102 m3/min)
B. 8400 cfm (238 m3/min)
C. 12,000cfm(340m3/min) Repeat the request word for word before giving your answer.
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