ECH Chapter 7-9 Flashcards Preview

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Flashcards in ECH Chapter 7-9 Deck (27):
1

Where is the best location to drop ceiling for an attic fire?

The hallway

2

What is the minimum size hole you should make to get into the attic?

4 X 4

3

What is the reason for putting a FF in the attic with a nozzle rather than using a fog pattern from below?

"Steaming" the attic only works on small sealed attics. Nozzle will not reach all corners

4

Where might you find the interior stairs to the basement on a 2 story home?

below the staircase to the second floor

5

Why are the exterior stairs the best option to fight a basement fire?

these stairs typically offer more space to work and better ventilation

6

What are three types of exposures to be considered at fires?

life, interior, and exterior

7

Exterior exposure hose lines should almost always be?

2 1/2

8

What are the 2 most noticeable styles of Victorian homes called?

The Italianate and 2 1/2 story Queen Anne

9

What is a common indicator of balloon frame construction?

presence of identical windows that line up vertically over each other

10

Where should the 2 out line be placed on a 2 story apartment complex fire?

At the base of the stairs out of the way.

11

When did Sacramento begin to see the construction of the Fireproof Residential High-Rise?

the late 1960's

12

What is the difference between a Class I and Class II standpipe?

I is a stairwell standpipe and II is a houseline

13

Wet standpipe systems installed prior to 1993 are required to provide only PSI at the buildings highest standpipe output.

65

14

Fires that involve units on the floor and above should be fought off the standpipe, per department SOGs

4th

15

A general guideline to follow is do not operate more than
inside a commercial building unless absolutely necessary.

150 feet

16

What are the three basic components of a hydrant?

barrel, discharge outlets, and stem (shut-off valve)

17

Where is a Clow hydrant typically found?

Industrial areas

18

A 4½" hydrant outlet will deliver with a flow pressure of psi.

2,100 gpm, 15 psi

19

Red: Less than GPM
Yellow: GPM
Green: GPM or more

500
500-999
1000 or more

20

NFPA is the standard for the Installation of Standpipe and Hose Systems

14

21

What are the characteristics of a “Looped” standpipe system?

a single set of connections supplies water for all of the fire protection systems in the building (looped system)

22

The current NFPA standards require a minimum of a psi at the top outlet.

100

23

What does the residential high rise hose compliment consist of?

1 Sacramento Pack plus high-rise bundle #1 and bundle #3.

24

psi at the gauge for 100' of 2½" hose
psi at the gauge for 150' of 2½" hose
psi at the gauge for 200' of 2½" hose

for high rise hose

70
75
85

25

The most common type of flow-restricting device is an

orifice plate

26

Sacramento Fire SOGs allow crews to use the elevators for fires above the floor

7th

27

The two primary reasons for using the pigtail are:

1) when access to the standpipe valve is limited by the size constraints of the hose cabinet;
2) from dry standpipe outlets adjacent to fire escapes. In either case utilizing the pigtail allows the wye to be placed inside the public hallway. If the pigtail is not needed to overcome access problems, then it can be added to the discharge side of the wye.