Do you have what it takes to PASS the LORRY theory test?

Put your skills to the test by answering this example theory test practice question.

This DVSA LORRY practice question has been taken from the Braking Systems theory test topic.

Select one answer

When are exhaust brakes most efficient?

At high engine speed, while in low gears

At low engine speed, while in high gears

During stop/start town work

While travelling at a constant speed on a motorway

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