Fire Alarm Systems Chapter 26

Questions and Answers

How is the tamper alarm on a pull station connected to the fire alarm system?

There is no such connection

Which is one of the two types of fire detection technologies used in smoke detectors?

Ionization

Which is a typical location for an early-suppression fast-response head?

Warehouse

Fire alarm systems in most high-rise buildings are programmed to alert the occupants located:

on the alarm floor and floors immediately below and above the alarm floors Signup and view all the answers

Which smoke detection system feature uses a delay to 30-60 seconds between activation and notification?

Verification Signup and view all the answers

Which type of alarm notification system sends a signal to a third-party, off-site monitoring facility?

Central station Signup and view all the answers

What is the purpose of an outside stem and yoke valve?

Control the water supply to the sprinkler system Signup and view all the answers

Which device enables firefighters to ascertain the type and location of the activated alarm device?

Remote annunciator Signup and view all the answers

What is the term for the system of inlets, pipes, and outlets built into a structure to supply water to fire hoses?

Standpipe Signup and view all the answers

In which situation is it acceptable for a sprinkler system main control valve not to be locked into the open position?

A supervisory switch is installed Signup and view all the answers

The combination of working smoke alarms and a residential sprinkler system reduces the chance of death from a home by ____ percent?

82% Signup and view all the answers

How can an ionization smoke detector be identified?

Label stating that it contains radioactive material Signup and view all the answers

What is a concern when a gaseous suppression system is activated?

Oxygen-deficient atmosphere Signup and view all the answers

Sprinkler heads are classified by their:

Release temperature Signup and view all the answers

What is a major concern with battery-powered smoke alarms?

Battery replacement Signup and view all the answers

Which type of smoke detector is activated by invisible products of combustion?

Ionization Signup and view all the answers

Which class of standpipe system is intended for use by both building occupants and firefighters?

Class 3 Signup and view all the answers

When a sprinkler system valve uses a threaded shaft to indicate the position of the valve?

Outside stem and yoke Signup and view all the answers

Where on a high-rise standpipe system is a flow restriction device located?

Outlets on the lower floors Signup and view all the answers

According to the NFPA, a smoke alarm should be replaced after _____ years from the date of manufacture.

10 years Signup and view all the answers

Which fire alarm system requires firefighters to search the entire building to locate the activated initiation device?

Noncoded Signup and view all the answers

Which type of detector is typically found in aircraft hangars?

Signup and view all the answers

Study Notes

Fire Alarm Systems and Smoke Detection

Tamper alarms on pull stations are not connected to the fire alarm system.
Ionization detection technology is one of two technologies used in smoke detectors.
Early-suppression fast-response heads are typically located in warehouses.
Fire alarm systems in high-rise buildings alert occupants on the alarm floor and adjacent floors above and below.

Detection Features and Notifications

Verification in smoke detection systems includes a 30-60 second delay between activation and notification.
Central station alarm notification systems send signals to off-site monitoring facilities.
Remote annunciators help firefighters identify the type and location of activated alarm devices.

Fire Sprinkler Systems

Outside stem and yoke valves control the water supply to sprinkler systems.
Sprinkler systems may have their main control valve unlocked if a supervisory switch is present.
Class 3 standpipe systems are designed for use by both firefighters and building occupants.

Smoke Alarms and Their Maintenance

The combination of working smoke alarms and residential sprinkler systems decreases the risk of death in homes by 82%.
Ionization smoke detectors can be identified by labels indicating the presence of radioactive material.
A significant concern with battery-powered smoke alarms is the need for battery replacement.

Specific Detector Types and Concerns

Ionization smoke detectors activate in response to invisible combustion products.
Gaseous suppression systems may create an oxygen-deficient atmosphere when activated.
Sprinkler heads are classified by their release temperature.

Regulations and Replacement Guidelines

NFPA guidelines recommend replacing smoke alarms 10 years after the manufacture date.
Noncoded fire alarm systems require firefighters to search the entire building for the activated initiation device.
Flow restriction devices in high-rise standpipe systems are installed at outlets on the lower floors.

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Description

Test your knowledge on fire alarm systems with this quiz covering key concepts from Chapter 26. Explore topics such as tamper alarms, smoke detection technologies, and typical locations for fire safety equipment. Perfect for students studying fire safety and prevention.