RAFF Exit Exam • Set 2 Question 7 of 30
Which type of portable fire extinguishers are designed for use on electrical fires?
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Direct Answer
Option C: Dry chemical and carbon dioxide
Dry chemical and carbon dioxide extinguishers are suitable for electrical fires (Class C). They do not conduct electricity, minimizing the risk of shock. CO2 displaces oxygen, while dry chemical interrupts the chemical reaction of combustion.
All Options
A
Carbon dioxide and foam(stored pressure)
B
Foam and soda-acid
C
Dry chemical and carbon dioxide
(Correct Answer)
D
Dry chemical and soda- acid
Detailed Explanation & Context
Dry chemical and carbon dioxide extinguishers are suitable for electrical fires (Class C). They do not conduct electricity, minimizing the risk of shock. CO2 displaces oxygen, while dry chemical interrupts the chemical reaction of combustion.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).
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