Question 11008 of 406 · Illinois Pesticide Applicator General Standards Exam
A flat fan nozzle puts out 0.4 gallons per minute at 5 mph with 20-inch spacing. What is the application rate in gallons per acre? (GPA = GPM x 5,940 / (mph x spacing in inches))
Exactly one answer is correct.
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Correct answer to question 11008
- B: about 23.8 GPA
Explanation
GPA = 0.4 x 5,940 / (5 x 20) = 2,376 / 100 = 23.76, or about 23.8. Forgetting to multiply speed by spacing in the divisor gives a wrong answer.
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