Neco Model Questions Vol1 2024 Agricultural Science Question 14
Practice objective / multiple choice question 14 from the 2024 Neco Model Questions Vol1 Agricultural Science examination.
A tractor has an engine power of 60 kW and runs at 1800 rpm. It drives a PTO shaft that operates at 540 rpm. Assuming no losses, calculate the torque transmitted to the PTO shaft (in N·m). The implement attached to the PTO requires a pulling force of 8 kN applied at a wheel radius of 0.4 m. The PTO torque is transmitted to the wheel through a gear train with a ratio of 4 : 1 (torque is multiplied by 4). What is the minimum overall efficiency (as a percentage) that the power‑transmission system must have to meet the required pulling force? Provide the PTO torque (rounded to the nearest N·m) and the minimum efficiency (to one decimal place).
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About This Question
This is Neco Model Questions Vol1 2024 Agricultural Science Question 14. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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