BEFO Quiz 3 with A Grade Solutions

BEFO Quiz 3 with A Grade Solutions When using a rotary saw to cut metal, firefighters should: a. Have a RIC team standing by b. Have a charged hoseline nearby c. Use an air-monitoring device beforehand d. First try a hand tool to accomplish the task - Answer-B Which type of tools act as a lever to provide mechanical advantage when opening doors and windows or moving heavy objects? a. Prying tools b. Pulling tools c. Cutting tools d. Striking tools - Answer-A When outside a structure, a pike pole should be carried with the tool head: a. Cradled in one arm b. Upright close to the body c. Pointing to the rear of the body d. Down and positioned ahead of the body - Answer-D What occurs when fresh air (oxygen) from ventilation is introduced into a room, causing gases to reignite and rapid fire development to occur? a. Burst b. Decay c. Flashover d. Vaporization - Answer-C What is the goal of positive pressure ventilation? a. Maintain the same interior and exterior pressure b. Decrease pressure to lower than the exterior of the structure c. Increase pressure to higher than the exterior of the structure, not higher than the fire can produce d. Increase pressure to higher than the exterior of the structure and also higher than the fire can produce - Answer-C When performing hydraulic pressure ventilation, set the fog nozzle on a pattern: a. That varies between wide and narrow b. Wide enough to cover the exhaust opening c. Narrow enough to direct smoke and gases out of the exhaust d. that directly wets an area around the firefighter on the nozzle - Answer-B Roof with several layers of composition shingles or other roof coverings a. Will not sound solid when any damage has occurred b. Can use sounding as the only means to determine stability c. May sound solid even though fire may have severely damaged roof supports d. Cannot be sounded and shingles must be removed to reveal underlying structure - Answer-C Which is the responsibility of the roof ventilation team? a. Set up a rehabilitation area b. Determine fire and cause of origin c. Direct hose streams for protection d. Report changes they see to the supervisor - Answer-D When ventilating metal roofs, which type of roof can be sliced open with an axe, carbide tip chain saw, or rotary saw and peeled back? a. Thin metal roofs b. Sheet metal roofs c. Industrial metal roofs d. Roofs built after 2000 - Answer-A What has an even higher priority in high-rise buildings because they often have more occupants than other structures? a. Life safety b. Property conservation c. Incident stabilization d. Environmental concerns - Answer-A