Practice question

While charging a lead-acid motorcycle battery, a key hazard is:

  1. Complete absence of any chemical risk
  2. Automatic creation of engine compression
  3. Permanent loss of tyre pressure nearby only
  4. Hydrogen gas that can ignite from sparks; charge in ventilation and avoid flames/sparks

Answer: D — Hydrogen gas that can ignite from sparks; charge in ventilation and avoid flames/sparks

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