Practice question

Which statement is correct about valve checks matter after unloading because residue or vapor can still escape?

  1. Tank inspection is only cosmetic.
  2. Valve checks matter after unloading because residue or vapor can still escape.
  3. Open valves and manhole covers are safe for short trips.
  4. Drivers may ignore tank equipment after loading.

Answer: B — Valve checks matter after unloading because residue or vapor can still escape.

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