What is roll over?
Direct Answer
Option B: The phenomenon where the stabilty of two stratified layers of liquid of differing relative density distributed resulting in a spomtaneous rapid mixing of the layers accompanied in the case of liquefied gases, by violent vapour evolution
Roll-over is a phenomenon in LNG storage tanks where stratification of two liquid layers of differing densities destabilizes, resulting in sudden, violent mixing and massive boil-off vapor generation.
All Options
Detailed Explanation & Context
Roll-over is a phenomenon in LNG storage tanks where stratification of two liquid layers of differing densities destabilizes, resulting in sudden, violent mixing and massive boil-off vapor generation.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
Practice Full AIGF Set 5
Test yourself with 30 interactive questions, live timer, and instant score.