Refresher Exit Exam • Set 3 Question 1 of 30

How do you operate a portable CO2 fire extinguisher?

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Direct Answer

Option D: Pull pin, squeeze grip

The standard procedure for operating a CO2 extinguisher is 'PASS': Pull the safety pin, Aim the nozzle at the base of the fire, Squeeze the operating handle, and Sweep from side to side.

All Options

Break the rupture disc

Point the horn down

Turn the cylinder upside-down

Pull pin, squeeze grip (Correct Answer)

Detailed Explanation & Context

The standard procedure for operating a CO2 extinguisher is 'PASS': Pull the safety pin, Aim the nozzle at the base of the fire, Squeeze the operating handle, and Sweep from side to side.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Course for STCW Modular Courses (Refresher).

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