Vehicle basics

I should replace my motor vehicle fire extinguisher:

  1. after use
  2. if it shows any irregularity
  3. when the hydrostatic test expires
  4. all options are correctCorrect answer!

Explanation

The correct answer is option 4 (all options are correct). This question assesses Basic mechanics; this option directly satisfies the conditions in the prompt and road-safety rules. The other options broaden, narrow, or depart from those conditions and should not be selected. Under the current rule, the difficulty is 2 on a scale from 1 to 5.

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Vehicle basics