The lifespan of the tyres depends on a series of factors such as load, speed, pressure, damage in traffic, etc. Thus, all the 3 answer choices influence the duration of service of the tyres. But the question requires indicating the factor that influences the duration of service of the tyres the most, and the duration of service of the tyres is influenced the most, among the 3 choices, by the pressure in the tyre, because it acts permanently on it.
The correct answer is: A
Leave a comment