Waec Model Questions Vol1 2025 Agricultural Science Question 9
Practice objective / multiple choice question 9 from the 2025 Waec Model Questions Vol1 Agricultural Science examination.
A farmer wishes to pull a moldboard plough that has a total working width of 1.2 m. The soil draft required at the desired speed is 1,500 N per metre of width. The tractor will operate at 5 km/h. Assuming an overall mechanical efficiency of 85%, calculate the minimum engine power (in kilowatts) the tractor must have. Use the relation Power (W) = (draft × width × speed) ÷ efficiency. Round your answer to the nearest whole kilowatt.
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About This Question
This is Waec Model Questions Vol1 2025 Agricultural Science Question 9. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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