RAFF Exit Exam • Set 3 Question 18 of 30

Which of these fire extinguishing media is preferred to fight a fire in an electrical installation (eg. The main switchboard) ?

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Direct Answer

Option A: Powder

Dry powder is preferred for energized electrical equipment fires because it is non-conductive and quickly smothers the fire without risking dangerous short circuits or electrocution, aligning with FSS Code and marine safety guidelines for Class C hazards.

All Options

A

Powder (Correct Answer)

B

Water fog

C

Foam

D

Sprinkler

Detailed Explanation & Context

Dry powder is preferred for energized electrical equipment fires because it is non-conductive and quickly smothers the fire without risking dangerous short circuits or electrocution, aligning with FSS Code and marine safety guidelines for Class C hazards.

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

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