Neco Model Questions Vol1 2020 Agricultural Science Question 1
Practice objective / multiple choice question 1 from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
A tractor is required to pull a plough across a level field. The plough has a drawbar pull requirement of \(5\text{ kN}\) and a weight of \(2.0\text{ kN}\). The coefficient of rolling resistance between the plough and the soil is \(0.04\). The tractor moves at a constant speed of \(4\text{ km h}^{-1}\). If the overall drivetrain efficiency is \(85\%\), what is the minimum engine power in kilowatts that the tractor must develop? Give your answer to one decimal place.
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About This Question
This is Neco Model Questions Vol1 2020 Agricultural Science Question 1. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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