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When is an articulated vehicle most at risk of jack-knifing?

Question Topic: Braking Systems

Saved Questions Question Topic: Braking Systems

Mark one answer

When it's fitted with an endurance brake (retarder)

When it's fully loaded

While it's manoeuvring slowly

While it's under heavy braking

← You're driving an articulated lorry. What could happen if you change to a lower gear while you're going too fast? Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off? →

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