Revision question · Vehicle loading

Why are baffle plates fitted to tankers carrying liquids?

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

To reduce wind resistance

To reduce the wave effect

To stop the brakes from locking

To make the steering lighter

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To reduce the wave effectThis was the right answer

Baffles reduce liquid surge by restricting its movement. They do not prevent every rollover or brake skid, and not every tank is baffled. Smooth speed and direction changes are still necessary.

Reviewed reading for this question

Allow for liquid movement when slowing and turningReviewed guidance summary · The inspected liquid tanker can experience surge; baffles reduce rather than eliminate it, and are not fitted to every tank.

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