AFF Exit Exam • Set 4 Question 6 of 30

A fire of escaping liquefied flammable gas is best extinguished by:

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Direct Answer

Option D: Stopping the flow of gas

The best way to extinguish a fire involving escaping liquefied flammable gas is to stop the flow of the gas itself. Applying extinguishing agents can be dangerous and may not effectively stop the fuel source.

All Options

Cooling the surrounding storage cylinders

Applying large amounts of dry chemical powder

Flooding with low-velocity fog

Stopping the flow of gas (Correct Answer)

Detailed Explanation & Context

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

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Q1 What is NOT a characteristic of carbon dioxide fire-extinguishing agents? Q2 In a fixed carbon dioxide extinguishing system for a machinery space, designed WITH a stop valve in the line leading to the protected space, the flow of CO2 is established by actuating: Q3 An important step in fighting any electrical fire is to: Q4 Which fire detection system is actuated by sensing a heat rise in a compartment? Q5 Water fog is an effective firefighting agent because it: Q6 A fire of escaping liquefied flammable gas is best extinguished by: Q7 When combating a Class C fire, which of the following dangers may be present? Q8 The lowest temperature at which the vapors of a flammable liquid will ignite and cause self-sustained combustion in the presence of a spark or flame is the: Q9 The fire protection provided for the propulsion motor and generator of a diesel-electric drive vessel is usually a: Q10 Metal fires should be fought using which extinguisher type?