Waec Model Questions Vol1 2022 Agricultural Science Question 4

Practice essay / theory question 4 from the 2022 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Machinery .

Waec Model Questions Vol1 2022 Agricultural Science Essay / Theory
Topic: Farm Machinery
Question 4 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • essay

A smallholder farmer purchases a two‑cylinder diesel tractor for land preparation. The tractor’s rated drawbar pull is 150 kN and it operates at a forward speed of 5 km h⁻¹ when pulling a plough that has a working width of 0.5 m. The tractor’s fuel consumption is 12 L h⁻¹. Diesel costs ₦170 per litre. The farm size to be cultivated is 8 ha. Manual labour for land preparation requires 120 person‑days, each labourer being paid ₦200 per day.

Question Parts

( a )
Calculate the total work (in megajoules) done by the tractor to cultivate the 8 ha, assuming the drawbar pull is applied continuously over the distance travelled.
( b )
Determine the total fuel cost for the tractor to prepare the 8 ha.

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About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 4. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Farm Machinery .

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