A liquid-filled pressure vacuum breaker
Direct Answer
Option C: is fitted on the inert gas main line of a tanker
A liquid-filled pressure vacuum breaker is a crucial safety device fitted on the inert gas main line of a tanker. It provides essential overpressure and vacuum protection for cargo tanks, preventing structural damage by allowing inert gas or atmospheric air to enter/exit. This is mandated by SOLAS and detailed in ISGOTT.
All Options
Detailed Explanation & Context
A liquid-filled pressure vacuum breaker is a crucial safety device fitted on the inert gas main line of a tanker. It provides essential overpressure and vacuum protection for cargo tanks, preventing structural damage by allowing inert gas or atmospheric air to enter/exit. This is mandated by SOLAS and detailed in ISGOTT.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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