NFPA 10 Study Guide Questions with Complete Solutions

NFPA 10 Study Guide Questions with Complete Solutions Class A Fires are what? Ordinary Materials such as wood, cloth, paper, rubber, and many plastics Class B Fire are what? Flammable liquids, combustible liquids, combustible liquids, petroleum greases, tars, oils, oil based paints, solvents, laquers, alcohols and flammable gases Class C Fires are what? Electrical Fires Class D Fires are what? Combustible Metals such as Magnesium, Zirconium, Titanium Class K Fires are what? Fires in cooking appliances that involve combustible cooking media (Vegetable or animal oils and fats) Fire Extinguishers containing only plain water shall be protected at temperatures as low as what? -40°F, by the use of Antifreeze What Shall not be used in stainless steel extinguishers? Calcium Chloride Fire Extinguishers shall be located so that the maximum distance of travel is what? less that 75ft Tag or label, as a minimum shall identify what? Month and year maintenance was performed Person performing work Name of Agency performing work Internal Examination of dry chem with brazed brass shells, halogenated agents, and dry powder stored_pressure with steel shells shall occur when? 6 Years Which extinguishers are required to have a rating number preceding the classification letter? Class A & B extinguishers Which extinguishers do not require a number before the classification letter? Classes C, D and K Wheeled fire extinguishers can be considered for hazard protection for what reasons? High hazard areas are present and limited personnel: requiring: High flow rate Increased stream range Increased capacity a High-Pressure Cylinder is held to what pressure? Higher than 500 psi A Low-Pressure cylinder is held to what pressure? 500 psi or less at 70°F a Light Hazard is what? Quantity and combustibility of class A & B are low and Quantity of Class b is less that 1 gallon Ordinary Hazard is what? Quantity and combustibility of Class A & B are moderate. Total quantity of Class B is 1 gallon - 5 gallon What is an Extra Hazard Quantity and combustibility of Class A & B are High or were high amounts of Class B are present.