Adv. Chemical Tanker Practice Questions - STCW Advanced Chemical Tanker Cargo Operations (V 1-1) Exam

What is the primary purpose of nitrogen padding (blanketing) above a sensitive chemical cargo such as styrene monomer?

To increase the cargo temperature for easier discharge To raise tank pressure so cargo can be discharged without pumps To exclude oxygen and moisture, preventing oxidation, polymerisation or moisture contamination of the cargo To neutralise acidic vapours in the tank

Correct Answer:

To exclude oxygen and moisture, preventing oxidation, polymerisation or moisture contamination of the cargo

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