A fireman is soaking a home that is dangerously close to a burning building. To prevent water
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A fireman is soaking a home that is dangerously close to a burning building. To prevent water damage to the inside of the neighboring home, he throttles down his flow rate so that it will not break windows. Assuming the typical window should be able to withstand a force up to 25 lbf, what is the largest volumetric flow rate he should allow (gal/min), given an 8-inch diameter (D1) firehose discharging through a nozzle with 4-inch diameter (d2) outlet. The free jet from the nozzle is deflected by 90° when it hits the window as shown.
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The volumetric flow rate of a firehose is calculated using the following equation Q 4 x D1 x V Where ...View the full answer
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Related Book For 
Engineering Fluid Mechanics
ISBN: 9781118880685
11th Edition
Authors: Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Robertson
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