- Class A fires Solid combustibles (wood, paper, textiles). - Class B fires Flammable liquids and gases. - Class C fires Energized electrical equipment (note: US standard, in some other systems it's combustible gases). - Class D fires Combustible metals (magnesium, titanium, sodium, potassium). - Class K/F fires Cooking oils and fats. - Stainless steel is a non-combustible material.
Which one of the following substances is not a source of 'A' class fire?
Asked in UPSC CISF AC EXE 2019 · Topic: The Governance System (Role of Executive in Governance)
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