Physics · Industrial Safety

Which of the following actions directly helps in extinguishing a fire by the method of 'smothering'?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Adding a highly flammable liquid to the combustion area
2Increasing the amount of fuel available to the fire
3Raising the temperature of the burning material above its ignition point
4Lowering the oxygen concentration below the level required to support combustion✓

Correct answer

Lowering the oxygen concentration below the level required to support combustion

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