If the friction loss per 100 ft for 1.75 inch hose at 150 GPM is 15 psi, what is total friction loss for 300 ft?

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Multiple Choice

If the friction loss per 100 ft for 1.75 inch hose at 150 GPM is 15 psi, what is total friction loss for 300 ft?

Explanation:
Friction loss adds up with length when the flow and hose size are fixed. If you know the loss per 100 ft, multiply by how many hundreds of feet you have. Here, 15 psi per 100 ft means for 300 ft you have 300/100 = 3 segments, so 3 × 15 = 45 psi. Therefore, the total friction loss is 45 psi. (For reference, 100 ft would be 15 psi, 200 ft would be 30 psi, and 400 ft would be 60 psi.)

Friction loss adds up with length when the flow and hose size are fixed. If you know the loss per 100 ft, multiply by how many hundreds of feet you have. Here, 15 psi per 100 ft means for 300 ft you have 300/100 = 3 segments, so 3 × 15 = 45 psi. Therefore, the total friction loss is 45 psi. (For reference, 100 ft would be 15 psi, 200 ft would be 30 psi, and 400 ft would be 60 psi.)

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