Question 81 of 90 refresher Exam
There are two disadvantages to CO2 when used as a total flooding firefighting agent. One of them is extinguishing concentration will not support human life and
A A) The lack of cooling effect on heated materials
Correct
B B) It breaks down under extreme heat to form poisonous gases
C C) It cannot be used in a dead ship situation without electrical power available to CO2 pump
D D) There is no effect on class A fire even in an enclosed space
Answer & Explanation
The correct answer is Option A: A) The lack of cooling effect on heated materials.
This question is frequently asked in the DG Shipping exit exams for maritime courses. Practicing similar questions in the interactive simulator helps improve recall and exam success.