Driver Knowledge Tests

Are wider tyres better than narrower tyres?

For various reasons, drivers change their tyres for ones which have a different width to the ones that came as standard. There are limits to how much extra width you are allowed on a wheel rim. Advantages of wider tyres

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What is a lift axle or retractable axle?

A retractable axle or lift axle is a way in which the axle can be raised so that its tyres aren’t touching the road surface. This improves fuel economy, and reduces maintenance and tyre wear, although it increases road wear.

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Four ways to reduce road noise in your car

Driving can be a tedious experience, whether you are stuck in traffic on your way to or from work or you spend hours every day on the roads as a truck driver, taxi driver or courier, driving can be a

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What are retreads and are they safe?

Retreads are tyres which have had new tread (grooves) applied to extend their life. They were very popular for passenger cars a few years but more recently have fallen out of favour as cheaper new tyres have narrowed the price

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How long do truck tyres last?

The average lifespan of a truck tyre depends on what type of trucking and conditions it’s exposed to. A tyre manufacturer won’t give you an expiry date because it depends exactly on the type of driving, the weight of the load,

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Can you drive with different sized tyres?

A car tyre has a measurement that will look similar to this: 205/60R16 The 205 is the width in millimetres, the R16 means that the hub’s diameter is 16 inches and the 60 refers to the sidewall height as a

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Are space saver spare tyres safe?

Spare tyres used to be full sized but now many car manufacturers supply a narrow space saver wheel in the boot. There are good reasons for this: it gives you more cargo space they weigh less therefore give better fuel economy

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