FDNY Sprinkler Standpipe System S-12/S- 13 Exam Marking Scheme 2024

FDNY Sprinkler Standpipe System S-12/S- 13 Exam Marking Scheme 2024 Automatic Standpipe System - Answer- A standpipe system that is attached to a water supply capable of supplying the system demand at all times and that requires no action other than opening a hose valve to provide water at hose connections. Churning - Answer- A condition in a centrifugal in which the impeller is rotating, but no water is being discharged. Combination Standpipe and Sprinkler System - Answer- A system where the water piping service both 2 1/2in (65) outlet for fire Department use and oulet for automatic sprinkler Concealed Sprinkler - Answer- A recessed sprinkler with a cover plate Deluge Valve - Answer- water supply control valve intended to be operated by actuation of an automatic detection system that is installed in the same area as the discharge devices. Suitable for HAZARDOUS OCCUPANCIES. INTENDED USE IS MANUAL AND AUTO Deludge Sprinkler System - Answer- A sprinkler system employing open sprinklers that are attached to a piping system that is connected to a water supply through a VALVE that is opened of a DETECTION SYSTEM installed in the same area as the sprinklers Dry Pipe Sprinkler System - Answer- A sprinkler system employing automatic sprinklers that are attached to a piping system containing air or nitrogen under pressure. The release of the air or nitrogen,(as from the opening of a sprinkler) results in the water pressure opening a valve known as a dry pipe valve, resulting in the flow of water into the piping system and out of the fused sprinklers heads. Dry Sprinkler - Answer- A sprinkler secured in an extension nipple that has a seal at the inlet to prevent water from entering the nipple until the sprinkler operates. May be configured with an upright, pendent or sidewall sprinkler. AUTO/NON_AUTO Dry Standpipe - Answer- A standpipe system designed to have piping contain water only when the system is being utilized (NO AUTOMATIC WATER SUPPLY) Fire Department Connection - Answer- A connection, normally on the exterior of the building. (FORMERLY KNOW AS SIAMESE CONNECTION) Fire Hose - Answer- A flexible conduit constructed of one or more reinforcements (JACKETS), Fire Hydrant - Answer- A valve connection on a water supply system having one or more outlets and that is used to supply hose and fire department pumps with water. Bulb Sprinkler - Answer- A sprinkler operated by heat breaking a glass bulb filled with a non-freezing liquid with diamiter that vary from 3mm for qu