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Fire Sprinkler Systems: Questions and Answers, Exams of Safety and Fire Engineering

Concordia University TexasSafety and Fire Engineering

A comprehensive set of questions and answers related to fire sprinkler systems, covering various aspects such as types of sprinklers, system components, maintenance, and safety regulations. It is a valuable resource for students and professionals seeking to understand the principles and practices of fire sprinkler systems.

Typology: Exams

2024/2025

Available from 03/17/2025

Shantelle
Shantelle 🇺🇸

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3K documents

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Sprinkler Chart Questions (S12)
A sprinkler having special deflectors that are designed to discharge
most of the water away from the nearby wall - ✔ ✔ Sidewall
Sprinkler
Sprinkler having a fusible link & an response time index of 80 or more -
✔ ✔ Standard respond sprinkler head
Inspecting, testing, and maintenance of sprinklers and standpipes are
performed according to the - ✔ ✔ NFPA #25 2002
Records shall be maintained by the building owner for at least - ✔ ✔
3 years
Condition in which application of components or system is not within
design limits or specs - ✔ ✔ Deficiency
Primary drain connection located on the system riser and also utilized
as a flow test connection - ✔ ✔ Main Drain
Sprinkler operated by the melting of a metal link - ✔ ✔ Solder Link
Sprinkler
Sprinkler designed in such a way that the water sprays upwards toward
the deflector - ✔ ✔ Upright Sprinkler
When sprinkler heads open they are said to be - ✔ ✔ Fused
Deluge system is equipped with - ✔ ✔ Open sprinkler heads and no
water in the piping
Deluge systems are suitable for - ✔ ✔ Hazardous Occupancies
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Download Fire Sprinkler Systems: Questions and Answers and more Exams Safety and Fire Engineering in PDF only on Docsity!

Sprinkler Chart Questions (S12)

A sprinkler having special deflectors that are designed to discharge most of the water away from the nearby wall - ✔ ✔ Sidewall Sprinkler Sprinkler having a fusible link & an response time index of 80 or more - ✔ ✔ Standard respond sprinkler head Inspecting, testing, and maintenance of sprinklers and standpipes are performed according to the - ✔ ✔ NFPA #25 2002 Records shall be maintained by the building owner for at least - ✔ ✔ 3 years Condition in which application of components or system is not within design limits or specs - ✔ ✔ Deficiency Primary drain connection located on the system riser and also utilized as a flow test connection - ✔ ✔ Main Drain Sprinkler operated by the melting of a metal link - ✔ ✔ Solder Link Sprinkler Sprinkler designed in such a way that the water sprays upwards toward the deflector - ✔ ✔ Upright Sprinkler When sprinkler heads open they are said to be - ✔ ✔ Fused Deluge system is equipped with - ✔ ✔ Open sprinkler heads and no water in the piping Deluge systems are suitable for - ✔ ✔ Hazardous Occupancies

Deluge valve opens allowing water to be discharged from - ✔ ✔ All Sprinkler Heads An automatic ball drip on a standpipe FDNY connection that leaks under normal conditions is - ✔ ✔ An indication of a defective check valve Automatic fire pumps must have their suction under - ✔ ✔ Positive Head Positive Head definition - ✔ ✔ Water supplying the pump must be fed into the pump under pressure Sprinkler Heads are factory tested to withstand _________ without leakage or injury - ✔ ✔ 400psi Systems using large drop sprinkler heads are used to - ✔ ✔ Break through strong updrafts of high challenge fires After a fire has been extinguished no control valves should be closed except - ✔ ✔ On the order of the fire officer in charge Gravity tanks should be - ✔ ✔ At least 25 feet above the highest line of sprinkler heads Automatic fill pumps supply water to gravity tanks at a rate of - ✔ ✔ 65 Gal per minute Booster pumps are used when - ✔ ✔ Water pressure at highest sprinkler head does not meet needs of sprinkler system Temperature of fire pump rooms should be - ✔ ✔ Above 40°F at all times

When the clapper has opened the valve is said to have ___________ - ✔ ✔ Tripped About ____ of fires are extinguished or controlled when sprinklers are installed - ✔ ✔ 96% 4% failure rate of sprinklers are due to - ✔ ✔ Defective piping, closed supply valve, frozen water lines, improper maintenance and blocked supply lines Permission must be obtained from the local fire house to shut off a maximum of 10 sprinkler heads on a wet pipe system - ✔ ✔ Existing Cold Weather Valves Dry Pipe Sprinklers are installed where a Wet Pipe System ____________ - ✔ ✔ Cannot be heated to prevent freezing Dry Pipe Sprinkler Systems are usually set to ______ above the normal trip level - ✔ ✔ 15 - 20 psi Two devices are used to reduce the time needed to open the clapper, an __________ and an ___________. Both automatically activated when a drop of 2 psi in air pressure is detected. - ✔ ✔ Accelerator, Exhauster Under normal conditions there is no water in the piping due to the serious dangers of water damage - ✔ ✔ Preaction Sprinkler Systems Heat responsive devices - ✔ ✔ Commonly used to trip preaction valves Special preaction system shuts off the water when fire has been put out

  • ✔ ✔ Preaction System with Recycling Feature

FDNY connect: Silver - ✔ ✔ Non-Automatic Dry Sprinkler Systems In this type of system all pipes are normally dry. Water is supplied when needed but pumping water into the system through FDNY connection - ✔ ✔ Non-Automatic Dry Sprinkler Systems Prevent Freeze up - ✔ ✔ Automatic Ball Drip When responding to an alarm most Fire Departments supply water to the _______________ first - ✔ ✔ Standpipe System FDNY connection to Automatic Sprinkler System color: - ✔ ✔ Green FDNY connection to Non-Automatic Sprinkler Systems color: - ✔ ✔ Silver FDNY connection to Standpipe System color: - ✔ ✔ Red Local Law 58/2009 requires color coding of fire Standpipe and Sprinkler Systems to have risers, cross connection to the water supply piping painted - ✔ ✔ Red FNDY connection to a combined Standpipe/Sprinkler system to be colored: - ✔ ✔ Yellow Automatic ball drip device shall be - ✔ ✔ Installed in the horizontal position The air pressure in Pressure Tanks shall be at or above - ✔ ✔ 75 psi Limited Supply System - ✔ ✔ Where a small pressure tank is accepted as the water supply