UK Driver CPC Part 1 Theory Test

What is a retarder and what types are used on HGVs?

A speed limiting device An auxiliary braking device — types include exhaust brakes, engine brakes (Jake brakes), and electromagnetic retarders A GPS tracking system A device to slow trailer loading

Correct Answer:

An auxiliary braking device — types include exhaust brakes, engine brakes (Jake brakes), and electromagnetic retarders

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