Waec Model Questions Vol1 2021 Agricultural Science Question 4
Practice practical question 4 from the 2021 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Machinery .
A farmer operates a diesel tractor rated at 20 hp to pull a plough. The tractor’s transmission has a gear ratio of 4:1 (engine to drive wheels). Each drive wheel has a radius of 0.50 m and the tractor’s weight is 2 000 kg. The coefficient of rolling resistance between the wheels and the soil is 0.03. While pulling, the tractor moves at a constant speed of 3 km h⁻¹. The engine’s specific fuel consumption is 0.25 L kW⁻¹ h⁻¹.
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This is Waec Model Questions Vol1 2021 Agricultural Science Question 4. It is one of the practical questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.
The question covers Farm Machinery .
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