Fireguard Fire Protection Systems Flashcards

What type of sprinkler head is designed to discharge water in a downward and outward pattern from a ceiling-mounted position?

Answer: Pendant sprinkler

Pendant sprinklers hang downward from the piping and discharge water in a downward and outward umbrella-like pattern.

In a dry pipe sprinkler system, what fills the pipes between the dry pipe valve and the sprinkler heads?

Answer: Pressurized air or nitrogen

Dry pipe systems use pressurized air or nitrogen to keep water out of the piping until a sprinkler activates and releases the pressure.

Which component of a fire alarm system is responsible for detecting smoke and initiating an alarm signal?

Answer: Initiating device

Initiating devices, such as smoke detectors and pull stations, detect fire conditions and send signals to the fire alarm control panel.

A post indicator valve (PIV) is used to control water supply to a sprinkler system. How can you tell if the valve is OPEN?

Answer: The window shows 'OPEN'

A post indicator valve has a window that displays 'OPEN' or 'SHUT' to indicate the valve position.

What is the minimum required clearance below sprinkler heads to ensure proper water distribution pattern?

Answer: 18 inches

NFPA 13 requires a minimum 18-inch clearance below sprinkler deflectors to allow proper water distribution.

Which type of fire suppression system is most appropriate for a computer server room to avoid water damage?

Answer: Clean agent suppression system

Clean agent systems use gas-based suppression that leaves no residue and won't damage sensitive electronic equipment.

What does the term 'water flow alarm' indicate in a sprinkler system?

Answer: Water is flowing through the system due to sprinkler activation or a leak

A water flow alarm activates when water moves through the system, indicating sprinkler operation or a potential leak in the piping.