Practice question

What is the primary danger when driving over an oil spill or diesel slick on an asphalt road surface?

The oil film acts as a liquid lubricant, drastically reducing tyre friction and causing sudden, uncontrollable skids
The oil will instantly ignite the vehicle tyres
The oil will instantly dissolve the vehicle aluminium wheels
The vehicle electrical alternator will short-circuit

Answer: A — The oil film acts as a liquid lubricant, drastically reducing tyre friction and causing sudden, uncontrollable skids

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