Neco 2018 Agricultural Science Question 46
Practice objective / multiple choice question 46 from the 2018 Neco Agricultural Science examination.
A tractor is used to pull a moldboard plough. The soil resistance to ploughing is \(2500\ \mathrm{N\,m^{-1}}\) per metre width. The plough has a working width of \(0.5\ \mathrm{m}\). The tractor moves at a speed of \(6\ \mathrm{km\,h^{-1}}\). The transmission efficiency from the engine to the drawbar is 85\%. What minimum engine power in kilowatts (kW) is required to maintain this speed?
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About This Question
This is Neco 2018 Agricultural Science Question 46. It is one of the objective questions from the 2018 Neco Agricultural Science examination.
Difficulty level: Medium .
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