BIGF Exit Exam • Set 2 Question 28 of 30
Boil-Off is caused by
✓
Direct Answer
Option B: both (a) and (b)
Boil-off gas formation is primarily caused by heat ingress through tank insulation and changes in atmospheric or tank vapor pressure.
All Options
A
none of the above
B
both (a) and (b)
(Correct Answer)
C
heat ingress
D
drop in pressure
Detailed Explanation & Context
Boil-off gas formation is primarily caused by heat ingress through tank insulation and changes in atmospheric or tank vapor pressure.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Basic Training for Ships subject to the IGF Code (BIGF).
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