Waec Model Questions Vol1 2020 Agricultural Science Question 4

Practice practical question 4 from the 2020 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Machinery, Engine Power, Fuel Consumption, Field Operations .

Waec Model Questions Vol1 2020 Agricultural Science Practical
Topics: Farm Machinery Engine Power Fuel Consumption Field Operations
Question 4 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • practical

A smallholder farmer uses a 25‑horsepower (hp) diesel‑engine tractor to cultivate a 5‑hectare field. The tractor’s fuel‑consumption chart is given below: Load (% of rated power) | Fuel consumption (L h⁻¹) --------------------------|-------------------------- 50 | 2.5 70 | 3.2 90 | 4.1 During field cultivation the tractor operates at an average load of 65 % of its rated power and moves at an average field speed of 4 km h⁻¹. The cultivator attached to the tractor has a working width of 2.5 m. Answer the following:

Question Parts

( a )
Using linear interpolation, estimate the tractor’s fuel consumption at 65 % load.
( b )
Calculate the total time required to cultivate the 5‑hectare field at the given speed, assuming the tractor works continuously without turning time.

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About This Question

This is Waec Model Questions Vol1 2020 Agricultural Science Question 4. It is one of the practical questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Farm Machinery, Engine Power, Fuel Consumption, Field Operations .

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