Question 11032 of 406 · Illinois Pesticide Applicator General Standards Exam
A boom has 20 nozzles that each deliver 0.3 gallon per minute at 5 mph with 20-inch spacing. What is the rate in GPA? (GPA = GPM per nozzle x 5,940 / (mph x spacing in inches))
Exactly one answer is correct.
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Correct answer to question 11032
- B: about 17.8 GPA
Explanation
GPA = 0.3 x 5,940 / (5 x 20) = 1,782 / 100 = 17.8. Multiplying by 20 nozzles would wrongly count the boom twice.
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