Subtopic: Calculation of performance parameters – field capacity, efficiency, performance index, application rate and losses
Question Statement:
In evaluating agricultural chemical sprayers, coefficient of variation ($CV$) of transverse spray distribution across the boom for acceptable quality must be:
Options:
(A) Less than $10-15\%$
(B) Greater than $50\%$
(C) Exactly $100\%$
(D) Zero impossible to measure
Answer Key:
A
Step-by-Step Solution & Explanation
ISO standards mandate that boom nozzle overlap must achieve $CV < 10\%$ to prevent striping or under/over-dosing.