Cal Fire Exam with Questions and Answers

Cal Fire Exam with Questions and Answers Master stream flows are usually greater than ___ gpm. ANSWER Greater than 350 gpm What does low surface tension foam do? ANSWER Penetrates and allows more heat to be absorbed Best nozzles for AFF ANSWER Adjustable fog nozzles Best method of getting foam on top of storage tanks ANSWER Bantings What mixes foam into water in proper percentages? ANSWER Proportioner Type of foam used for gas spill ANSWER AFF Class B foam is used for ANSWER flammable and combustible liquids and gases Advantages of fog nozzles ANSWER Greater heat absorption PSI of smooth bore and fog nozzles ANSWER Smooth bore nozzle - 50 psi Fog Nozzle - 100 psi Advantages of smooth bore nozzle ANSWER Reaches further, less air movement Which nozzle has the highest flow rate? ANSWER Master stream (350 gpm+)