Neco Model Questions Vol1 2018 Agricultural Science Question 25
Practice objective / multiple choice question 25 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
A small tractor has a diesel engine rated at 25 kW at the crankshaft. The transmission efficiency is 85 % and the final‑drive efficiency is 90 %. The tractor must deliver a draw‑bar power of 12 kW to pull a plough. Diesel fuel contains 38 MJ per litre and the engine's thermal efficiency (fuel to brake power) is 30 %. Calculate the minimum amount of fuel the tractor will consume in one hour of operation (expressed in litres, rounded to one decimal place).
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About This Question
This is Neco Model Questions Vol1 2018 Agricultural Science Question 25. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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