OCTCO/OCTF Exit Exam • Set 4 Question 29 of 30

H2S gas is:

✓

Direct Answer

Option C: Toxic, corrosive and flammable

Hydrogen sulfide is a highly toxic, corrosive, and flammable gas frequently encountered in sour crude oils. Adherence to personal gas monitoring and ISGOTT protocols is mandatory, as H2S paralyzes the olfactory nerve at low concentrations and poses fatal risks.

All Options

Less toxic

Inflammable

Toxic, corrosive and flammable (Correct Answer)

Non-toxic

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).

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