Neco 2018 Agricultural Science Question 45
Practice objective / multiple choice question 45 from the 2018 Neco Agricultural Science examination.
A tractor has a rated engine power of \(45\ \text{kW}\). When pulling a plough it must develop a drawbar pull of \(12\ \text{kN}\) while moving at a speed of \(5\ \text{km/h}\). Assuming the tractor operates at this constant speed and pull, calculate the mechanical efficiency of the tractor, expressed as a percentage to one decimal place.
Answer Options
About This Question
This is Neco 2018 Agricultural Science Question 45. It is one of the objective questions from the 2018 Neco Agricultural Science examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.