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Forklift Operator Exam Prep · Question

When handling Liquid Propane Gas (LPG) cylinders, what is a key physical property to remember?

Propane (LPG) is heavier than air. If it leaks, it sinks to the ground and can pool in low areas, trenches, or drains, creating an explosion hazard.

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Question: When handling Liquid Propane Gas (LPG) cylinders, what is a key physical property to remember?

Answer options:

  • It is lighter than air and dissipates quickly upwards.
  • It is nontoxic and poses no health risks.
  • It smells like roses so it is difficult to detect. ✅ It is heavier than air and will settle in low-lying areas.

Correct answer: It is heavier than air and will settle in low-lying areas.

Explanation: Propane (LPG) is heavier than air. If it leaks, it sinks to the ground and can pool in low areas, trenches, or drains, creating an explosion hazard.

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