Gce Model Questions Vol1 2018 Agricultural Science Question 38
Practice objective / multiple choice question 38 from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
A tractor is to pull a moldboard plough that is (1.5\ \text{m}\) wide. The draft required for this plough is (0.8\ \text{kN}\) per metre of width under average soil conditions. The tractor will travel at (5\ \text{km\ h}^{-1}\). The transmission efficiency is (85\%\). In addition, soil conditions increase the draft by (20\%\) and the tractor must overcome rolling resistance equal to (0.03\) times its weight; the tractor weighs (1500\ \text{kg}\). What minimum engine power (in kW, to one decimal place) is required?
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About This Question
This is Gce Model Questions Vol1 2018 Agricultural Science Question 38. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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