In the GPM formula GPM = [GPA × MPH × W] / 5,940, what does W represent?

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Multiple Choice

In the GPM formula GPM = [GPA × MPH × W] / 5,940, what does W represent?

Explanation:
W represents the width of the spray swath, measured in inches. This is how wide the sprayed band is across the field in one pass, and it directly affects how much liquid must flow to achieve the target gallons per acre at the given speed. If you run faster or cover a wider swath while keeping the same required GPA, you need more flow (higher GPM) to maintain that rate, which is why W appears in the formula. Wind speed and weight of the product aren’t part of this calculation; wind influences drift and safety, while weight is a mass measure, not a volume rate.

W represents the width of the spray swath, measured in inches. This is how wide the sprayed band is across the field in one pass, and it directly affects how much liquid must flow to achieve the target gallons per acre at the given speed. If you run faster or cover a wider swath while keeping the same required GPA, you need more flow (higher GPM) to maintain that rate, which is why W appears in the formula. Wind speed and weight of the product aren’t part of this calculation; wind influences drift and safety, while weight is a mass measure, not a volume rate.

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