College

Fire extinguishers labeled Class K are most appropriate for fires that involve:

A. Energized electrical equipment
B. Combustible cooking materials
C. Combustible liquids and gases
D. Combustible metals

Answer :

B. Class K fire extinguishers are used for fires involving combustible cooking materials, such as oils and fats, common in commercial kitchens. These extinguishers utilize a special agent to cool and prevent reignition.

Fire Extinguishers labeled Class K are most appropriate for fires that involve: B. combustible cooking materials. These extinguishers are specifically designed to tackle fires that arise from cooking oils and fats, which are commonly found in kitchens, particularly in commercial cooking environments. They use a special extinguishing agent that works by saponifying the oil, effectively cooling and coating the surface to prevent reignition.