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S-12 Sprinkler Definitions Exam Study Guide Solutions
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S-12 Sprinkler Definitions Exam Study Guide Solutions Alarm Notification Appliance - ANSWER-A fire alarm system component that issues an audible, tactile, and/or visual alert Eg. A bell, horn, speaker, light, text display or vibration device Alarm Signal - ANSWER-A signal indicating an emergen...

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  • November 17, 2024
  • 13
  • 2024/2025
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S-12 Sprinkler Definitions Exam
Study Guide Solutions

Alarm Notification Appliance - ANSWER✔✔-A fire alarm system component that

issues an audible, tactile, and/or visual alert


Eg. A bell, horn, speaker, light, text display or vibration device


Alarm Signal - ANSWER✔✔-A signal indicating an emergency requiring immediate

action, such as a signal indicative of fire


Antifreeze Sprinkler System - ANSWER✔✔-A wet pipe sprinkler system employing

automatic sprinklers that are attached to a piping system that contains an antifreeze

solution and is connected to a water supply. The antifreeze solution is discharged,

followed by water, immediately upon operation of sprinklers opened by heat from a

fire


Automatic Ball Drip - ANSWER✔✔-An automatic drain valve horizontally installed at

the low point in the piping between the lower check valve and the FD connection of

automatic sprinkler systems. Water pressure from a FD pumper automatically closes

this valve. It automatically reopens when pressure ceases, permitting this piping to

drain ad thereby preventing freezing



Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/13

, Central Station - ANSWER✔✔-A facility that receives alarm signals from a protected

premises and retransmits or otherwise reports such alarm signals to the department


Combination Standpipe And Sprinkler System - ANSWER✔✔-A system where the

water piping services both 2 ½" outlets for FD use and outlets for automatic sprinklers


Concealed Sprinkler - ANSWER✔✔-A recessed sprinkler with a cover plate


Control Mode Specific Application Sprinklers (CMSA) - ANSWER✔✔-Control mode

sprinkler systems are designed to control a fire until its original fuel source is depleted

or until fire-fighting activities can commence. A fire is controlled by cooling the ceiling-

level air temperatures, reducing the fire's rate of heat release and pre-wetting adjacent

combustibles


Control Valve - ANSWER✔✔-A valve controlling flow to water-based fire protection

systems. Control valves do not do not include hose valves, trim valves for dry pipe,

preaction and deluge valves, check valves, or relief valves




OS & Y valve (outside stem and yoke valve) is an indicating type of control valve used

for fire sprinkler system




Curb valve is a non-indicating gate valve equipped with a cast iron extension box

flushed with a sidewalk with an operating nit of 1 ¼", this valve is operated using a


Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/13

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