Vegetable and animal oils may vary in composition. The most important factor is their
Direct Answer
Option D: Free fatty acid content
For vegetable and animal oils, Free Fatty Acid (FFA) content is paramount. High FFA indicates hydrolysis, impacting cargo quality, and can cause significant corrosion to tank coatings and steel, especially with moisture and heat. This is a critical parameter for cargo acceptance and tank cleaning procedures (CDI, P&A Manual).
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Detailed Explanation & Context
For vegetable and animal oils, Free Fatty Acid (FFA) content is paramount. High FFA indicates hydrolysis, impacting cargo quality, and can cause significant corrosion to tank coatings and steel, especially with moisture and heat. This is a critical parameter for cargo acceptance and tank cleaning procedures (CDI, P&A Manual).
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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