Water is forced out of a re extinguisher by air pressure,
Chapter 9, Problem 9.64(choose chapter or problem)
Water is forced out of a re extinguisher by air pressure, as shown in Figure P9.64. What gauge air pressure in the tank (above atmospheric pressure) is required for the water to have a jet speed of 30.0 m/s when the water level in the tank is 0.500 m below the nozzle?
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