Practical Training for Auxiliary Firemen

Issue 3 and Volume 97.

Practical Training for Auxiliary Firemen Editor, FIRE ENGINEERING IN this installment of the series of articles on “Practical Training for Auxiliary Firemen” is discussed pump operation and gauges. Q. What are the three types of gauges commonly found on fire engines? A. Pressure gauge, vacuum gauge and compound gauge. Q. What is the purpose of the pressure gauge on the pumper? A. The pressure gauge gives the pressure in pounds per square inch developed by the pump on a fire engine. Q. What is the function of the vacuum gauge? A. The vacuum gauge records the negative pressure, or vacuum, developed on the intake side of a pumper. This vacuum may be produced either by lifting water by suction or drawing from the water system where the flow is inadequate. Q. What is the function of the compound gauge? A. The compound gauge records either vacuum or pressure. To the…

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