Revision question · Vehicle condition

Your vehicle has double rear wheels. Why should you check them before leaving a building site?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

To make sure the diff-lock is engaged

To make sure the diff-lock is disengaged

To check that the load-sensing valve is operating correctly

To make sure bricks or debris aren't wedged between the wheels

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To make sure bricks or debris aren't wedged between the wheelsThis was the right answer

While driving on a building site, bricks, mud or other debris can become lodged between a lorry's double rear wheels. When you leave the site and increase your road speed, anything lodged between the tyres could be thrown out. This flying debris can be a hazard for drivers of following vehicles and can create dangerous road conditions, especially for motorcyclists.

Reviewed reading for this question

Inspect every tyre, including inner twin tyresReviewed guidance summary · DVSA expressly requires checking for objects trapped between twin wheels.

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