2nd Semester Final Exam (fire)-with accurate answers (verified)graded A
20. What way do you twist the nozzle for a fog stream? - Answers-left 21. Flashover - Answers-Stage of a fire at which all surfaces and objects within a space have been heated to their ignition temperature, and flame breaks out almost at once over the surface of all objects in the space. 22. Backdraft - Answers-The explosive burning of heated gases that occurs when oxygen is introduced into a compartment that has a high concentration of flammable gases and a depleted supply of oxygen due to an existing fire. 23. Ventilation - Answers-alowing for smoke to escape the structure 24. How is verticle ventilation preformed? - Answers-cutting out parts of the roof 25. How is horizontal ventilation preformed? - Answers-doors/ windows
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