Question

    Dry powder fire extinguishers

    contain
    A sand Correct Answer Incorrect Answer
    B sand and sodium carbonate Correct Answer Incorrect Answer
    C sand and potassium carbonate Correct Answer Incorrect Answer
    D sand and sodium bicarbonate Correct Answer Incorrect Answer

    Solution

    • Sodium Bicarbonate : Found in dry powder fire extinguishers for Class B and Class C fires.
    • Sand : Used primarily for Class D fires involving combustible metals, typically applied manually rather than from a commercial extinguisher.

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