LGTCO/LGTF Exit Exam • Set 6 Question 8 of 30

Which petroleum gases does commercial LPG mainly consist of?

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Direct Answer

Option D: Propane & Butane

Liquefied Petroleum Gas (LPG) consists predominantly of propane (C3H8), butane (C4H10), or mixtures of both hydrocarbons.

All Options

Ethane & Pentane

Butadiene & Ammonia

Chlorine & Ethylene

Propane & Butane (Correct Answer)

Detailed Explanation & Context

Liquefied Petroleum Gas (LPG) consists predominantly of propane (C3H8), butane (C4H10), or mixtures of both hydrocarbons.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).

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