Correct answer: B. Fuel consumption.
Incorrect tyre pressure adversely affects many of a vehicles systems, including brakes, suspension and steering. In particular, under-inflated tyres can increase the vehicles fuel consumption. Check tyre pressures regularly and ensure they are inflated as per manufacturer's recommendations.
This is an official-style question from the Managing Risk topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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