FPFF Exit Exam • Set 4 Question 2 of 30

Which of the following statements is NOT correct about high expansion foam?

✓

Direct Answer

Option C: You cannot survive in H.E. foam as the oxygen content is reduced.

High-expansion foam expands fresh air at ratios from 200:1 to 1000:1. The bubbles contain breathable air, so individuals trapped in high-expansion foam can breathe by parting bubbles away from their nose and mouth; stating that oxygen is reduced and survival is impossible is incorrect.

All Options

A

It has only a limited cooling effect.

B

You can survive in H.E. foam by breaking the bubbles to release the air.

C

You cannot survive in H.E. foam as the oxygen content is reduced. (Correct Answer)

D

It extinguishes by smothering.

Detailed Explanation & Context

High-expansion foam expands fresh air at ratios from 200:1 to 1000:1. The bubbles contain breathable air, so individuals trapped in high-expansion foam can breathe by parting bubbles away from their nose and mouth; stating that oxygen is reduced and survival is impossible is incorrect.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Fire Prevention & Fire Fighting (FPFF).

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