What's the principal braking system on a lorry called?

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Incorrect!

What's the principal braking system on a lorry called?

The endurance brake

The service brake

Correct answer

The parking brake

The jake brake

You selected this answer

DVSA theory test explanation

The service brake is usually operated by the brake pedal. It's used to control the speed of the vehicle and to bring it to a halt safely. It may also incorporate an anti-lock braking system.

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