QUESTIONS AND ANSWERS - Fire Engineering: Firefighter Training and
Descrição
To the Editor: I would like to have the following question answered in your Questions and Answers Column: An engine is 200 feet away from an excavation which is 100 feet deep. The pressure at the engine is 175 pounds. 300 feet of 3-inch hose is laid reaching bottom of excavation ; a 3-way connection is attached and three lines connected to same; one line of 2 1/2-inch hose 200-feet with 1 1/4-inch nozzle; one line of 3-inch hose 150 feet with 1 1/2-inch nozzle, and one line of 2 ½-inch hose 250 feet with 1 1/8-inch nozzle.
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