Questions and Answers

Issue 25 and Volume 82.

Questions and Answers NOTE—Readers are invited to send in questions, which will be answered in the order received. Names are omitted from questions unless otherwise specified Capabilities of Pumper To the Editor: Referring to the problem and solution of the pumper at Boston on page 1003 of the October 30th issue which showed a discharge of 1,020 gallons at 200 pounds pressure: to discharge 1,200 gallons at 220 pounds engine pressure would require approximately 130 H.P. which is far above the capacity of a 1,300 gallon pumper, whose horsepower would be 90. Would the increased capacity be obtained by hooking the 1.300 gallon pumper to a high pressure hydrant? If so, what pressure would be required on the high pressure hydrant ? Thank vou for the above information. J.H. Answer: Yes, increased capacity could be obtained by hooking a 1,300 gallon pumper to a high pressure hydrant, for in this…

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