Approximately how many pounds per square inch are produced per 100 feet of water head?

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Multiple Choice

Approximately how many pounds per square inch are produced per 100 feet of water head?

Explanation:
Pressure from a vertical water column increases roughly 0.433 psi for every foot of head. So for 100 feet, you multiply: 100 × 0.433 ≈ 43.3 psi, which rounds to 43.4 psi. That’s why 43.4 psi is the right choice. The other numbers come from using different heights: 10 ft would be about 4.34 psi, 1000 ft about 433 psi, and 1 ft about 0.433 psi.

Pressure from a vertical water column increases roughly 0.433 psi for every foot of head. So for 100 feet, you multiply: 100 × 0.433 ≈ 43.3 psi, which rounds to 43.4 psi. That’s why 43.4 psi is the right choice. The other numbers come from using different heights: 10 ft would be about 4.34 psi, 1000 ft about 433 psi, and 1 ft about 0.433 psi.

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