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12 Cards in this Set
- Front
- Back
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Determining Hydrant Potential:
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After connecting to and opening the hydrant, note the static pressure reading. Establish the first flowing line and note the initial drop in pressure. Determine the potential of the hydrant using the following information.
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DHP: <10% drop
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3 like volumes of water
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DHP: <15% drop
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2 like volumes of water
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DHP: <25% drop
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1 like volumes of water
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DHP: >25% drop
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No like volumes of water
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1 cubic foot of water? weight
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62.5 lbs
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1 cubic foot of water? volume
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7.5 gallons
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1 cubic foot of water volume? (inches)
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1728 cubic inches
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1 gallon of water volume? (inches)
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231 cubic inches
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1 gallon of water weight?
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8.34 lbs
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1 square foot of water area? (inches)
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144 square inches
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1 ton of water? weight
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240 gallons
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