VDFP FF1 EXAM QUESTIONS AND ANSWERS 100% PASS

VDFP FF1 EXAM QUESTIONS AND ANSWERS 100% PASS What is the open space between the ceiling of the top floor and the underside of the roof of a building? - Correct Answer ️️ -Cockloft Which statement about hydraulic ventilation is correct? - Correct Answer ️️ -Hydraulic ventilation effectively moves large volumes of smoke and heat. Which term means the spread of fire from one floor to another via exterior windows? - Correct Answer ️️ -leap frogging Which item is used in negative pressure ventilation? - Correct Answer ️️ -smoke ejector In ordinary construction exterior walls are made of - Correct Answer ️️ - noncombustible or limited-combustible materials Which type of building is the most prone to the stack effect - Correct Answer ️️ -high rise How do heated gases move in a room? - Correct Answer ️️ -They rise to the ceiling and spread outward What is a characteristic of bowstring trusses? - Correct Answer ️️ -Prone to sudden collapse in fire conditions All forms of ventilation that use fans or other powered equipment are classified as __ ventilation - Correct Answer ️️ -mechanical When ventilating the basement, where is the preferred location to ventilate? - Correct Answer ️️ -The point farthest away from the entrance used by the fire attack Which statement about positive pressure ventilation is correct? - Correct Answer ️️ -It should be used only if attack crews have access to all fire In which construction type are there uninterrupted channels in the walls from foundation to attic? - Correct Answer ️️ -Balloon frame Which statement summarizes the overall effect of negative-pressure ventilation? - Correct Answer ️️ -It pulls smoke out What is the term for the transfer of heat through a circulating medium of liquid or gas? - Correct Answer ️️ -convection Which statement about the operation of HVAC equipment during fire ventilation operations is correct? - Correct Answer ️️ -Some HVAC systems incorporate features that are useful for clearing smoke How can churning be eliminated during smoke ejection? - Correct Answer ️️ - Completely block the opening around the fan Which action should be avoided when performing horizonal ventilation? - Correct Answer ️️ -Opening upward windows first What is the preferred method to ventilate a large building? - Correct Answer ️️ - Individual ventilation of interior compartments Which structural component is composed of relatively small and lightweight components arranged in a series of triangles? - Correct Answer ️️ -Truss Which type of ventilation relies on doors and windows on the same level as the fire? - Correct Answer ️️ -horizontal What is the phenomenon in which smoke hangs low to the ground on a calm cool damp day? - Correct Answer ️️ -smoke inversion What is the term for an open space within a wall where wires and pipes run? - Correct Answer ️️ -Chase Hat is the correct tool to tighten a hard suction hose connection? - Correct Answer ️️ - Rubber mallet According to NFPA what is the minimum distance between the center of a fire hydrant outlet and the finished grade of the ground around the hydrant - Correct Answer ️️ -18" (45cm) Which of the following is a form of active cooling? - Correct Answer ️️ -Application of wet, cool towels Which of the following is an acceptable method for a company officer to verify the sta