OCTCO/OCTF Exit Exam • Set 4 Question 17 of 30
What is the range of expansion ratio for high expansion foams?
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Direct Answer
Option A: 1000: 1
High-expansion foam systems produce foam with an expansion ratio typically up to 1000:1, allowing large enclosed spaces like engine rooms or pump rooms to be flooded quickly.
All Options
A
1000: 1
(Correct Answer)
B
5: 1 to 15: 1
C
1250 liters/ min
D
1000 liters/ min
Detailed Explanation & Context
High-expansion foam systems produce foam with an expansion ratio typically up to 1000:1, allowing large enclosed spaces like engine rooms or pump rooms to be flooded quickly.
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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