Answer :
The class of fire extinguisher used for cooking fires involving combustible vegetable oils is Class K. Option (D) is the correct answer.
Class K fire extinguishers are designed specifically for fires involving cooking oils and fats, which can quickly become hot and ignite nearby combustibles. These extinguishers use a special type of extinguishing agent that is effective in cooling and smothering these types of fires.
Class A extinguishers are used for fires involving ordinary combustibles like wood, paper, and cloth. Class B extinguishers are used for fires involving flammable liquids like gasoline, oil, and grease. Class C extinguishers are used for fires involving electrical equipment, and Class D extinguishers are used for fires involving combustible metals.
It is important to use the correct type of fire extinguisher for the specific type of fire in order to ensure the most effective extinguishing action and to minimize the risk of injury or damage.
Option (D) is the correct answer.
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