Wildland firefighting S-190 Exam Questions and Answers All Correct

Wildland firefighting S-190 Exam Questions and Answers All Correct Origin - Answer-Where the fire started and or where it's going. Head - Answer-Greatest rate of spread. Moves intensely. May have more than one head. Fingers - Answer-Long narrow strips of fire that break off of the main fire. Caused by mixed fuels, natural features dividing the fire. Pocket - Answer-Unaffected area between the main fire and finger. Perimeter - Answer-Outer boundary of burning or burnt area. Rear/ heel - Answer-Opposite to the head of the fire. Close to the point of origin. Flanks - Answer-Sides of a wildland fire. May change to the head or fingers might form because of fuel. Islands - Answer-Unburned areas inside the perimeter. Wildland fires - Answer-Unplanned or unwanted fires. Fireline - Answer-Part of the control line. Dug to mineral soil. Where firefighting activities take place. Spot fires - Answer-Smalls fires burning beyond main fire boundary. Convection column - Answer-Rising hot air/ gas above the fire source. Slopover/ Breakover - Answer-When fire crosses a control line The green - Answer-Unburned area close to the fire where live or dead fuels are. NOT SAFE Live fuels - Answer-Living plants, high moisture vegetation, low moisture content Dead fuels - Answer-Where moisture is only governed by only atmospheric moisture. Ie: relative humidity and precipitation. The Black - Answer-Area where fire has already moved through. Surface/ Ground Fuel - Answer-Fuel that contacts the ground. Ex: leafs, dead branches, bark, tree cones. Aerial fuels - Answer-Fuel suspended from the ground. Ex: branches, twigs, bark and vines.