Revision question · Braking systems

When can an endurance brake (retarder) be especially useful?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

While driving down long hills

When driving on steep cambers

As a way to reduce gear changes

To improve fuel consumption

Show the answer

While driving down long hillsThis was the right answer

Plan ahead and use your endurance brake (retarder) to help keep your speed in check on long downhill gradients. This can help to prevent your brakes from overheating and fading.

Reviewed reading for this question

Save the service brakes on a long descentReviewed guidance summary · These test brake fade’s heat cause, downhill risk, suitable gearing, retarder purpose and reduced friction-lining wear; air loss and worn linings are different faults.

Loading the questions