LGTCO/LGTF Exit Exam • Set 4 Question 15 of 30
The critical temperature for Methane is:
✓
Direct Answer
Option B: -82.5°C
The critical temperature of methane is -82.5°C. Above -82.5°C, methane cannot be liquefied regardless of how much pressure is applied, which is why LNG must be refrigerated.
All Options
A
32.1°C
B
-82.5°C
(Correct Answer)
C
44.5°C
D
-64.8°C
Detailed Explanation & Context
The critical temperature of methane is -82.5°C. Above -82.5°C, methane cannot be liquefied regardless of how much pressure is applied, which is why LNG must be refrigerated.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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