Marina Exam Reviewer
How does an inert gas system on a tanker function to prevent explosions in cargo tanks?
A. Maintains a positive pressure on the vent header to cool the flammable vapors.
B. De-energizes the charged mist effect.
C. Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit.
D. Inert gas filters out the flammable vapors from the cargo tank spaces.
Answer: C. Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit.
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