Waec Model Questions Vol1 2018 Agricultural Science Question 39
Practice objective / multiple choice question 39 from the 2018 Waec Model Questions Vol1 Agricultural Science examination.
A hand‑operated seed drill uses a gear train as follows: a driver gear with 12 teeth rotates at 120 rpm and drives a driven gear of 36 teeth that is fixed to the seed‑metering wheel. The metering wheel has 8 equally spaced cavities, each releasing one seed per revolution. The metering wheel, in turn, carries a 20‑tooth gear that drives a 40‑tooth distribution gear; each revolution of the distribution gear releases 5 seeds. How many seeds are released per minute by the drill?
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About This Question
This is Waec Model Questions Vol1 2018 Agricultural Science Question 39. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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