Driver's license written test question bank, effective 2026-03-09
642. Which of the following terms refers to the phenomenon wherein a towed vehicle pushes the tow truck that is in front in a linear motion during rapid deceleration or sudden braking, and the joints are folded as in an “L” shape?
- ①Swing-out
- ②Jack knife
- ③Hydroplaning
- ④Vapor lock
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Answer ②
The English PDF has no explanation for this question. The Korean page carries the official explanation. Korean version of this question
Source KoROAD Safe Driving Integrated Civil Service, Driver's License Written Test Question Bank [English] (effective 2026-03-09), post 1923, Download the source PDF source PDF page 186 (checked on 2026-09-04). The question and answer are the KoROAD text as published. The buttons and notes on this page were written by the developer and have not yet been checked by a native speaker. The questions and answers themselves are the official KoROAD text.