QLD Heavy Vehicle Knowledge Test Practice Questions - Queensland Class LR MR HR HC MC Heavy Vehicle Road Rules Knowledge Test Exam

What is "trailer swing" (or jack-knife risk) on an articulated vehicle?

The trailer moving out of line with the prime mover, especially under braking or on slippery surfaces Normal off-tracking on a wide turn The trailer tyres wearing unevenly Automatic trailer steering

Correct Answer:

The trailer moving out of line with the prime mover, especially under braking or on slippery surfaces

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