Essentials of Fire Fighting Edition 5, Ch. 16 Sprinklers fully solved 2023

Essentials of Fire Fighting Edition 5, Ch. 16 Sprinklers fully solved 2023___ percent of all fires are controlled by the activation of five or fewer sprinklers. - correct answer 70% Frangible Bulb - correct answer Small glass vial fitted into the discharge orifice of a fire sprinkler. When liquid inside is heated, it expands and the glass will break causing water to flow. Fusible Device - correct answer Connecting link device that fuses or melts when exposed to heat. Used in sprinklers, fire doors dampers and ventilators. What are the two types of sprinkler coverage - correct answer -Complete -Partial NFPA 13 - correct answer Standard for the Installation of Sprinkler Systems Riser - correct answer Vertical water pipe used to carry water for fire protection systems above ground such as a standpipe riser or sprinkler. Types of Sprinklers: - correct answer -Fusible Link -Frangible-bulb -Chemical pellet sprinkler Pendant Sprinkler - correct answer The most common type in use; extends down from the underside of the piping. Upright Sprinkler - correct answer Sits on top of the piping and sprays water against a solid deflector that breaks up the spray into a hemispherical pattern. Sidewall - correct answer extends from the side of a pipe and is used in small rooms. Creates a fan shaped pattern. Post Indicator Valve (PIV) - correct answer valve used to control underground water mains that provides a visual means for indication "open" or "shut" Post Indicator Valve assembly (PIVA) - correct answer does not use a plate with words open or shut. Uses circular disk inside a flat plate on top of the valve housing.