Driving theory questions

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Which rpm level should you avoid exceeding if you want the catalytic converter to be effective?

  • Incorrect: 1,000 rpm
  • Incorrect: 1,500 rpm
  • Incorrect: 2,000 rpm
  • Correct: 3,000 rpm

It “is important not to exceed 3,000 rpm and do not push the accelerator more than half way down. Otherwise, you risk disabling the catalytic converter.” (Swedish Transport Administration)


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