Neco Model Questions Vol1 2024 Agricultural Science Question 6
Practice objective / multiple choice question 6 from the 2024 Neco Model Questions Vol1 Agricultural Science examination.
A farmer harvests maize with an initial moisture content of 25\% (wet basis). He stores the grain in a hermetic bag where the moisture content declines exponentially according to \(M(t)=M_{0}e^{-kt}\) with \(k=0.04\ \text{day}^{-1}\). The bag also halves the normal respiration rate, which would otherwise cause a dry‑matter loss of 0.2\% per day; thus the loss is 0.1\% per day. Safe storage requires the moisture content to be at most 15\% and the cumulative respiration loss not to exceed 5\% of the original dry weight. Determine the maximum whole number of days the farmer can store the maize before either condition is violated.
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This is Neco Model Questions Vol1 2024 Agricultural Science Question 6. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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