Which statement about cool-down rate is correct on a liquefied gas tanker?
Direct Answer
Option C: must be controlled to avoid thermal stress
In accordance with SIGTTO guidelines and the IGC Code, tank cooling must be strictly regulated to prevent excessive thermal gradients. Rapid temperature drops induce severe thermal stresses, risking structural fracture of cargo containment boundaries and associated piping systems.
All Options
Detailed Explanation & Context
In accordance with SIGTTO guidelines and the IGC Code, tank cooling must be strictly regulated to prevent excessive thermal gradients. Rapid temperature drops induce severe thermal stresses, risking structural fracture of cargo containment boundaries and associated piping systems.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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