BIGF Exit Exam • Set 5 Question 17 of 30

Substance of cargo vapour in air which is not flammable

✓

Direct Answer

Option B: Methane

When fuel gas vapor is diluted with inert nitrogen such that the oxygen content is below the Limiting Oxygen Concentration (LOC), the mixture cannot ignite.

All Options

A

Ammonia

B

Methane (Correct Answer)

C

Chlonine

D

Propane

Detailed Explanation & Context

When fuel gas vapor is diluted with inert nitrogen such that the oxygen content is below the Limiting Oxygen Concentration (LOC), the mixture cannot ignite.

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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