OCTCO/OCTF Exit Exam • Set 3 Question 17 of 30
____ such as petrol (motor spirit) and diesel oil tend to be liquid under normal atmosphere?
✓
Direct Answer
Option A: Intermediate molecule
Hydrocarbons with intermediate molecular weights (approx C5 to C20, like gasoline, kerosene, and diesel) exist as liquids at normal atmospheric temperature and pressure.
All Options
A
Intermediate molecule
(Correct Answer)
B
Very heavy molecules
C
Very light molecules
D
None of these
Detailed Explanation & Context
Hydrocarbons with intermediate molecular weights (approx C5 to C20, like gasoline, kerosene, and diesel) exist as liquids at normal atmospheric temperature and pressure.
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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