Waec Model Questions Vol1 2020 Agricultural Science Question 4
Practice essay / theory question 4 from the 2020 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Machinery .
A smallholder farmer is evaluating the purchase of a two‑wheel tractor for field operations. The tractor has a rated power of 25 hp, weighs 800 kg and consumes diesel at a rate of 5 L h⁻¹ when operating at full load. Diesel costs ₦250 per litre. The farmer intends to use the tractor for two tasks: - Ploughing: requires 15 hp and a draft force of 2000 N, for 4 h per day. - Hauling harvested crops: requires 20 hp and a draft force of 2500 N, for 2 h per day. The farm operates 150 days per year. The tractor can be bought for ₦1,200,000 and financed at a simple interest rate of 12 % per annum. The farmer estimates that the tractor will save ₦150,000 per year in labour costs compared with manual operations.
Question Parts
Detailed Solution & Marking Scheme
Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.
Reveal AnswerAbout This Question
This is Waec Model Questions Vol1 2020 Agricultural Science Question 4. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.
The question covers Farm Machinery .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.