Neco 2021 Agricultural Science Question 37

Practice objective / multiple choice question 37 from the 2021 Neco Agricultural Science examination.

Neco 2021 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 37 NECO • 2021 • AGRICULTURAL_SCIENCE • objective

A tractor has a rated engine power of \(50\ \text{kW}\) and a transmission efficiency of 85%. It must pull a plough that requires a drawbar pull of \(30\ \text{kN}\) at a forward speed of \(5\ \text{km\,h^{-1}}\). Will the tractor be able to maintain this speed? Show all calculations.

Answer Options

A. No, the tractor cannot maintain the speed (effective power 42.5 kW < required power 41.7 kW).
B. Yes, the tractor can maintain the speed (effective power 42.5 kW > required power 45.0 kW).
C. Yes, the tractor can maintain the speed (effective power 40.0 kW > required power 41.7 kW).
Correct Answer D. Yes, the tractor can maintain the speed (effective power 42.5 kW > required power 41.7 kW).
Correct Answer
D
Correct Option:
Yes, the tractor can maintain the speed (effective power 42.5 kW > required power 41.7 kW).

About This Question

This is Neco 2021 Agricultural Science Question 37. It is one of the objective questions from the 2021 Neco Agricultural Science examination.

Difficulty level: Medium .

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