Doubling the pump pressure will double the nozzle output.

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Multiple Choice

Doubling the pump pressure will double the nozzle output.

Explanation:
Doubling the pump pressure will not double nozzle output. For a fixed nozzle orifice, the flow rate increases with the square root of pressure, so doubling pressure raises flow by about sqrt(2) ≈ 1.41 times, not 2 times. In other words, going from 20 psi to 40 psi might increase output by roughly 41%, depending on the nozzle and system, but it won’t double. Higher pressure can also affect droplet size and drift, so pressure changes don’t translate to proportional changes in output.

Doubling the pump pressure will not double nozzle output. For a fixed nozzle orifice, the flow rate increases with the square root of pressure, so doubling pressure raises flow by about sqrt(2) ≈ 1.41 times, not 2 times. In other words, going from 20 psi to 40 psi might increase output by roughly 41%, depending on the nozzle and system, but it won’t double. Higher pressure can also affect droplet size and drift, so pressure changes don’t translate to proportional changes in output.

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