Neco 2017 Agricultural Science Question 4
Practice objective / multiple choice question 4 from the 2017 Neco Agricultural Science examination.
A tractor pulls a three‑share moldboard plough. The draft per share is given by \( D = a + b v^{2} \) where \(a = 150\) N, \(b = 30\) N·s² m⁻² and \(v\) is the forward speed in metres per second. The tractor operates at 20 km h⁻¹. Assuming a drivetrain efficiency of 85 %, calculate the required engine power in kilowatts (kW), rounded to one decimal place.
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About This Question
This is Neco 2017 Agricultural Science Question 4. It is one of the objective questions from the 2017 Neco Agricultural Science examination.
Difficulty level: Medium .
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