Neco Model Questions Vol1 2023 Agricultural Science Question 50
Practice objective / multiple choice question 50 from the 2023 Neco Model Questions Vol1 Agricultural Science examination.
A tractor pulls a plough with a constant drawbar pull of \(1500\text{ N}\). To till a field, the tractor makes ten passes, each 200 m long. (a) Calculate the total mechanical work done by the tractor in kilojoules. (b) If the engine operates at an overall efficiency of \(25\%\) and the fuel has an energy content of \(42\text{ MJ kg}^{-1}\) with a density of \(0.75\text{ kg L}^{-1}\), estimate the volume of fuel (in litres) consumed for the tillage operation.
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About This Question
This is Neco Model Questions Vol1 2023 Agricultural Science Question 50. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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