JATC 1A || with 100% Errorless Answers

Live Load correct answers The weight of movable objects such as people, furnishings, machines, vehicles, and goods in or on a building. Dead Load correct answers The weight of the structure itself. Impact load correct answers The effect of a moving load upon a stationary structure. Backdraft correct 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. Flashover correct answers A rapid transition from the growth stage to the fully developed stage. Rollover correct answers A condition where the unburned fire gases that have accumulated at the top of a compartment ignite and flames propagate through the hot-gas layer or across the ceiling. Smoke Explosion correct answers The ignition of accumulated flammable products of combustion and are that are within their flammable range. Steel beam construction considerations? correct answers At 1000 degrees, steel can elongate and cause collapse. If the steal CANNOT elongate, it can fail in the middle. If it CAN elongate, it can push out the walls and pancake collapse. Water can be used to cool the steel and stop elongation and reduce collapse risk. 5 factors to consider for structural collapse? correct answers 1) Construction type 2) Length of time fire has burned 3) Stage of the fire (intensity) 4) contents (Fuel Loading) 5) Amount of water used in extinguishing the fire. 6) Weather 7) modifications and alterations 8) Age of structure 9 common building materials? correct answers 1) Wood 2) Metals 3) Masonry 4) Rebar concrete 5) Lath and Plaster 6) Gypsum 7) Fiberglass / Glass 8) Plastics 9) Composites 5 building types? correct answers Type 1- Fire resistant.