Waec Model Questions Vol1 2025 Agricultural Science Question 32
Practice objective / multiple choice question 32 from the 2025 Waec Model Questions Vol1 Agricultural Science examination.
A batch of 200 kg of maize kernels has an initial moisture content of 15% (wet basis). The drying air has a constant moisture content of 5% (wet basis). The drying rate is proportional to the difference between the kernel moisture content and the air moisture content, with a proportionality constant of 0.1 h⁻¹. How many hours are required to reduce the kernel moisture content to 12% (wet basis)?
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About This Question
This is Waec Model Questions Vol1 2025 Agricultural Science Question 32. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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