What constant is used when calculating GPA in nozzle method 1 by multiplying the water collected?

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Multiple Choice

What constant is used when calculating GPA in nozzle method 1 by multiplying the water collected?

Explanation:
In nozzle method 1, you’re turning the water you collect into a spray rate per acre (gallons per acre) by using a fixed conversion multiplier. The general formula for GPA is GPA = GPM × 5940 / (width in inches × speed in mph). In this standard method, the setup uses a width × speed product of 128, so the multiplier becomes 5940 ÷ 128, which is about 46.4. That means you take the water collected (in gallons per minute) and multiply by 46.4 to get GPA. If you used different test conditions, the multiplier would change, but under the standard nozzle method 1 setup, 46.4 is the correct factor.

In nozzle method 1, you’re turning the water you collect into a spray rate per acre (gallons per acre) by using a fixed conversion multiplier. The general formula for GPA is GPA = GPM × 5940 / (width in inches × speed in mph). In this standard method, the setup uses a width × speed product of 128, so the multiplier becomes 5940 ÷ 128, which is about 46.4. That means you take the water collected (in gallons per minute) and multiply by 46.4 to get GPA. If you used different test conditions, the multiplier would change, but under the standard nozzle method 1 setup, 46.4 is the correct factor.

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