Ch 30 Fire Protection Systems ( Part 2) Flashcards Preview

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Flashcards in Ch 30 Fire Protection Systems ( Part 2) Deck (30):
0

What are the 4 signals a fire alarm system sends and receives?

1. Alarm
a) Local - to occupants
b) Remotely transmitted - to Fire Dept
2. Trouble
3. Supervisory
4. Annunciation

1

The National Fire Alarm Code is NFPA?

72

2

FACP?
FACU?

Fire Alarm Control Panel
Fire Alarm Control Unit

3

What is a hardware component used to determine if there is a fire?

Alarm-initiation device

4

Heat, smoke, and rate of rise detectors are examples of _________ __________ detectors?

Spot type

5

A device in which detection is continuous along a path (a cable) is a ____________ detector?

Linear

6

What are the 2 types of pull stations?

Single action - one step ( just pulling down)
Double action - 2 steps (lifting a cover or breaking glass and pulling down. Prevents false alarms)

7

NFPA 72 refers to manual pull stations as?

Manual fire alarm boxes

8

3 types of heat detectors?

1. Fixed temperature
2. Rate of rise
3. Rate compensation

9

What is the most common form of heat detector?

Sprinkler head

10

What is the most familiar smoke detector?

Single station smoke alarm device

11

NFPA 72 has 3 requirements for residential device locations?

1. 1 on each level
2. 1 on each bedroom
3. 1 in the corridor outside each sleeping area

12

2 basic types of smoke detectors?

1. Ionization - electrodes
2. Photoelectric - light

13

If 2 detection devices must activate before initiating a fire alarm, it's called?

Cross zoned alarm system

14

The 2 types of alarm notification appliances are?

Audible - bells, horns, sirens, speakers
Visible - strobes

15

What are the 5 basic types of fire alarm systems?

"CLAPR"
1. Central station
2. Local
3. Auxiliary municipal
4. Proprietary supervisory
5. Remote supervisory station

16

The most common automatic suppression system is?

Automatic sprinkler systems

17

A ______________ system has no release mechanism. This type of head is always open?

Deluge

18

With an "Upright Sprinkler Head" the deflector is __________?
With a "Pendant Sprinkler Head" the deflector is _________ ?

Up
Down

19

What are the 5 types of sprinkler systems?

"WET DDRP"
1. Wet pipe
2. Dry pipe
3. Deluge
4. Residential
5. Preaction

20

What is the most common and simplest sprinkler system?

Wet pipe

21

What are dry sprinkler systems filled with instead of water?

Air or nitrogen

22

In a dry system, the ___________ pressure is higher?

Water

23

A preaction uses elements of a ____________ and __________ system?

Deluge
Dry pipe

24

For a preaction, 2 methods of detection, typically a _________ _______ and a _____________ __________ must activate for water to flow, which minimizes water damage?

Smoke detector
Sprinkler head

25

Residential systems main objectives are to prevent __________ in rooms of origin, improve chances for occupant ___________ and prevent ___________ ________ to adjacent rooms?

Flashover
Escape
Fire spread

26

In the US, sprinkler systems fail about ____% of the time, usually because the main water control valve has been left _____ accidentally?

5%
Shut

27

The 2 most common types of indicator valves are?

1. PIV
2. OS&Y

28

If the stem is exposed of an OS&Y it's in the ________ position?

Open

29

What are the uses of a Class I, II, and III standpipe?

Class I - FD (standard, 2.5" male outlet)
Class II - Occupant (low flow, low pressure, 1.5" per connected hose)
Class III - Both FD and Occupant (both connections)