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

Commercial Liquefied Petroleum Gas (LPG) primarily consists of propane and butane. According to SIGTTO and IGC Code operational manuals, their thermodynamic properties dictate the dual-purpose reliquefaction plant settings and pressure-temperature management strategies utilized onboard gas carriers.

All Options

Ethane & Pentane

Butadiene & Ammonia

Chlorine & Ethylene

Propane & Butane (Correct Answer)

Detailed Explanation & Context

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

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