Issue 14 and Volume 66.

QUESTIONS AND ANSWERS NOTE—Readers of FIRE AND WATER ENGINEERING are invited to send in questions, which will be answered in the order in which they are received. Names are omitted from questions unless otherwise specified. Nozzle Pressure on Water Tower To the Editor: When you have an opportunity I would be very obliged to you if you would publish an answer to the following question in your Questions and Answers department. Question: A water tower is placed at a fire and extended to a height of 65 feet. It is equipped with a 4-inch riser and a 2-inch tip. Three lines of 3-inch hose supply it; one being 300 feet in length, one 250 feet and the remaining one 200 feet. All three lines are supplied by high pressimdiants, the pressure at which is 150 pounds. What wil: be the nozzle pressure, making allowances lor pressuie d op in riser…

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