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Flashcards in Fire Protection Systems Deck (23)
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1

A ___ signal identifies system problems that can influence the system’s reliability.

Trouble

2

A ___ warns of a fire condition by sensing a high temperature, high rate of rise in the temperature, or both.

Heat detector

3

A ____ system is a system that transmits a signal from a protected facility to a monitoring station operated by the facilities owner.

Proprietary

4

A central-station alarm system is one in which the operations of the circuits and devices are ____?

Transmitted automatically
Recorded at a central station
Maintained by a central station
Supervised by a central station

5

A deluge sprinkler head is unique in that it ____?

Has a head that is always open

6

A flame detector activates when it detects?

Radiant energy

7

A _____ between the sprinkler valve and water-flow alarm prevents false alarms by allowing pressure surges to dissipate before setting off the water-flow alarm?

Retard chamber

8

All of the following things should be thought about when working with sprinkler systems except ____?

Letting only firefighters handle replacing fused sprinkler head or resetting dry pipe valves.

9

All sprinklers have ____ to break the water stream into droplets and pus them to cover an area larger than a straight stream of water would?

Deflectors

10

Automatic or man cal mechanisms that cause a system to indicate an alarm condition are known as ____?

Alarm initiating devices

11

Automatic sprinkler heads are open all the time and are mostly used in deluge systems. T/F?

False

12

Balanced forces of air and water on opposing sides of a dry pipe valve prevent it from opening under normal circumstances. T/F?

True

13

Buildings protected by fire alarm systems are called____?

Protected premises

14

What is one place that “firefighter telephone systems” are not located in high-rise?

Bathrooms

15

fire alarm annunciation systems notify the fire department and others concerned of a fire’s location. T/F?

True

16

Fire pumps for a sprinkler system are activated when a pressure ____ caused by water flow is detected upstream of the fire pump?

Drop

17

What is the name of the switch that notifies the fire alarm control panel if a supply control valve is in the wrong position?

Tamper switch

18

What type of sprinkler system has a looped system?

Gridded

19

When a water motor gong is alarming, it indicates ____?

What is actively moving through sprinkler system

20

Which NFPA standard deals with fire alarm systems?

NFPA 72

21

Describe a preaction sprinkler system.

Uses elements of deluge and dry-pipe system and minimizes water damage. It resembles a dry-pipe system except it requires another detection system and a sprinkler head’s fusing for water to flow.

22

Which of the following detectors activates when it detects products of combustion?

Smoke detector

23

Why do sprinkler systems improve life safety within a structure on fire?

Sprinklers prevent flashover and fire spread outside the room of origin.