Practice question

Which choice is correct about manhole covers and vents for a tank vehicle driver?

  1. Remove gaskets after loading
  2. Block vents to stop expansion
  3. Make sure manhole covers have gaskets, close correctly, and vents are clear
  4. Drive with manholes open to reduce surge

Answer: C — Make sure manhole covers have gaskets, close correctly, and vents are clear

The correct answer is shown above. Try the full quiz for additional practice.

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