An electrical cabinet 6' high x 36 wide x 18 deen must be supplied with a rapid
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An electrical cabinet 6' high x 36" wide x 18" deen must be supplied with a rapid purge rate when the cabinet is initially closed after being open. The rapid purge rate must displace four volumes of the cabinet size in 2 min. During the high purge rate the air is carried out of the cabinet through a safety valve set at 0.3" WC. The cabinet maintains a 0.1" WC pressure with a 0.67 scfm air flow during normal purging rates. Use the equation F = CX VAP to calculate air flow. 1. What low flow rate is necessary to develop 0.2" WC pressure after the initial high flow purge? 2. What rapid purge rate is needed?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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