Neco 2020 Agricultural Science Question 6
Practice objective / multiple choice question 6 from the 2020 Neco Agricultural Science examination.
A tractor weighing 3500 kg pulls a plough of mass 800 kg up a 5 % incline at a constant speed of \(4\ \text{km h}^{-1}\). The rolling‑resistance coefficient for both tractor and plough is \(0.04\). The soil draft resistance is \(150\ \text{N kN}^{-1}\). Assuming a drivetrain efficiency of \(85\%\), calculate the minimum engine power required in kilowatts (kW).
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About This Question
This is Neco 2020 Agricultural Science Question 6. It is one of the objective questions from the 2020 Neco Agricultural Science examination.
Difficulty level: Medium .
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