LGTCO/LGTF Exit Exam • Set 3 Question 19 of 30

What is the vapour relative density of Propane? (Air = 1)

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Direct Answer

Option B: 1.55

Propane vapor has a relative density of 1.55 (Air = 1), making it significantly heavier than air and causing it to collect in low deck areas and bilges.

All Options

0.554

1.55 (Correct Answer)

0.20

0.80

Detailed Explanation & Context

Propane vapor has a relative density of 1.55 (Air = 1), making it significantly heavier than air and causing it to collect in low deck areas and bilges.

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

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