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

You're stationary. The brake air-pressure warning light comes on. Why should you keep the parking brake on?

Because the vehicle will suddenly roll backwards

Because it will cause the air pressure to rise

Because the service brake may not stop you

Because it will make the warning light go out

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