221 Test 2 Fire Sprinkler Systems || 100% correct.

sprinkler system correct answers For fire protection purposes, an integrated system of underground and overhead piping designed in accordance with fire protection engineering standards. The installation includes at least one automatic water supply that supplies one or more systems. The portion of the sprinkler system above ground is a network of specially sized or hydraulically designed piping installed in a building, structure, or area, generally overhead, and to which sprinklers are attached in a systematic pattern. Each system has a control valve located in the system riser or its supply piping. Each sprinkler system includes a device for actuating an alarm when the system is in operation. The system is usually activated by heat from a fire and discharges water over the fire area Name 4 sprinkler system characteristics correct answers 1. Automatic 2. Thermally Activated 3. distributes water to fire 4. Controls the fire Name some Benefits of Automatic Sprinkler Systems correct answers 1. Minimizes Damage 2. Reduce Business Interruption 3. life Safety 4. Building Design Flexibility 5. Insurance premiums Sprinkler heads have three 'placement' types. Name them!! correct answers Upright-Above bench lines pendant-below bench lines Sidewall-Wall mount and sideways flow What determines sprinkler head coverage? correct answers 1. Hazard Classifications 2. pipe-schedule/hydraulic 3. Obstruction What are Glass Bulbs for in sprinkler heads? correct answers Liquid expands when heated, breaking bulb, setting off the sprinkler system. Name the three types of sprinklers correct answers Mist, Spray Nozzle, Flush What does a standard spray head do? correct answers directs all water up or down. What are some requirements for spare sprinklers correct answers Must have six or more, must have a spare wrench, and storage cannot be hotter than 100 degrees F What is the minimum operating pressure for a sprinkler? correct answers 7 PSI What are the three piping Configurations? correct answers Tree System, Gridded system, looped system What do crossmains do? correct answers Distributes water to benchlines.