Spray Equipment And Calibration MEDIUM Core Manual Chapter 10

If an applicator doubles the travel speed of a spray rig from 4 MPH to 8 MPH while leaving nozzle size and pressure unchanged, what happens to the application volume (GPA)?

Multiple Choice Options

A The application volume is cut in half (reduced by 50%). ✓ OFFICIAL VERIFIED CORRECT ANSWER
B The application volume doubles.
C The application volume quadruples.
D The application volume remains identical.
✓ LEGAL EXPLANATION & STATUTORY RATIONALE
Core Manual Chapter 10
Official Manual Chapter: Chapter 10: Calibration Math

Application rate is inversely proportional to travel speed: GPA = (GPM × 5940) / (MPH × W). Doubling speed cuts gallons applied per acre in half.

Official EPA Core Study Domain Spray Equipment And Calibration
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