Driver's license written test question bank, effective 2026-03-09

55. What is the rotational force (instantaneous force) generated from the crankshaft of an internal combustion engine of a vehicle?

  1. ①Torque
  2. ②Fuel economy
  3. ③Displacement
  4. ④Horsepower
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Answer ①

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 16 (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.