Neco Model Questions Vol1 2017 Agricultural Science Question 33
Practice objective / multiple choice question 33 from the 2017 Neco Model Questions Vol1 Agricultural Science examination.
A hand‑operated seed drill is driven by a pedal. The pedal is attached to a crank of radius \(0.10\) m and the farmer can exert a maximum force of \(120\) N on the pedal. The pedal turns a small gear of \(20\) teeth which meshes with a larger gear of \(40\) teeth fixed on the drill shaft. The drill requires a minimum torque of \(25\) N·m to operate.\n\n(a) Calculate the torque delivered to the drill shaft with the present gear arrangement.\n(b) If the torque is insufficient, determine the smallest integer number of teeth that the driven gear must have (keeping the driver gear at 20 teeth) so that the required torque is met.
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About This Question
This is Neco Model Questions Vol1 2017 Agricultural Science Question 33. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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