OCTCO/OCTF Exit Exam • Set 5 Question 22 of 30
The content of cycloparaffins in petroleum may vary?
✓
Direct Answer
Option A: Up to 60%
Cycloparaffins, also known as naphthenes, constitute a major hydrocarbon fraction in crude oils, with concentrations varying up to 60 percent depending on the geographical origin and geological formation of the specific petroleum reservoir.
All Options
A
Up to 60%
(Correct Answer)
B
Up to 70%
C
Up to 35%
D
Up to 50%
Detailed Explanation & Context
Cycloparaffins, also known as naphthenes, constitute a major hydrocarbon fraction in crude oils, with concentrations varying up to 60 percent depending on the geographical origin and geological formation of the specific petroleum reservoir.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
Advertisement
Practice Full OCTCO/OCTF Set 5
Test yourself with 30 interactive questions, live timer, and instant score.