Firefighter 1 Study Guide (All Correct Answers with expalnations)

Firefighter 1 Study Guide (All Correct Answers with expalnations) The most important factor to consider in forcible entry is to: select the right tool to do the job. When making a large opening in a masonry wall, a __________ shape should be cut to help maintain structural integrity. triangle/inverted V What is the leading cause of firefighter injuries? overexertion and strain The proper name for one of the two principal structural sides of a ladder is a: beam 5. Which of the following is not a requirement for an individual trained in fire suppression? Knowing the department's operating procedures -----Being certified as a pumper driver/operator---- The ability to use a self-contained breathing apparatus Knowing the department's response area or district Which of the following statements regarding power saw safety is incorrect? The saw should be started on level ground and carried up the ladder while running. During overhaul, if firefighters have a concern about a void space concealing a "hot spot," they should: open the void space immediately. The process of dividing large jobs into smaller jobs to make them more manageable is described as: division of labor. Which of the following is not a method for preventing mechanical damage to fire hose? Remove wet hose from apparatus and replace with dry hose. During an interior structural fire attack, if ventilation holes cannot be made large enough, or if ventilation will be delayed, then it is important to keep the nozzle on a straight The fire tetrahedron includes all the elements of the fire triangle plus: chemical reaction. Which of the following is an advantage of the flat load? It is the best way to load large-diameter hose. Firefighters can expect to find ledge doors in: barns and warehouses The person that stabilizes the victim of accidents or illness until more highly trained medical personnel arrive is the: first responder The __________ stage occurs when all combustible materials in the compartment are involved in the fire. fully developed After a roof has been opened up, the firefighter must: ensure the ceiling below the cut is opened. During the __________ stage of fire, the fire frequently becomes ventilation controlled. fully developed Surface fuels are involved in what type of fire? ground cover While working from a ground ladder, the hook on the firefighter's safety harness should be: attached to a rung A stream discharging more than 350 gpm is know as a/an __________ stream. master What is the first step a firefighter should take if their SCBA becomes damaged or malfunctions? Remain calm and rely on previous training. The ratio of the mass of a given volume of liquid compared with the mass of an equal volume of water at the same temperature is: specific gravity A primary safety concern when raising a ladder should be: possible contact with electrical wires and overhead obstructions. Which of the following is an advantage of the accordion load? Hose for shoulder carries can easily be taken from the load. Hose is unloaded at the scene of a fire and the pumper proceeds to the water source. This is an example of a __________ lay. reverse Fire can be extinguished by: reducing heat, removing oxygen, removing fuel, or stopping the chemical chain reaction. Compartment fires in the __________ stage are generally fuel/oxygen controlled. growth One of the primary functions of the truck/ladder company is: performing forcible entry One disadvantage of positive-pressure fans is that they: can spread the fire if used improperly. When cutting through a roof, a firefighter should attempt to: make the opening square or rectangular. A relatively new hazard that firefighters must be aware of when approaching fires involving newer model vehicles is: airbags When descending stairs in a smoke-charged structure, a firefighter should: move downward on hands and knees, feet first. The two most common causes of mechanical hose damage are: excessive pressure and water hammers. Which of the following is not one of the basic types of locks?