Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Norman > chapter 6 > Flashcards

chapter 6 Flashcards

(83 cards)

Start Studying
1
Q

What pressure should the pumper discharge the water under
when using a separate water supply to reinforce the
sprinkler system?

A

150 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How many multiple death fires have been recorded in a

building with a fully operational wet sprinkler system?

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many psi of pump pressure should be added for each

additional 10 stories above the 50th floor?

A

50 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When should members consider taking the elevator to the

attack location?

A

Fire on the 8th floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What will happen when water in the amount of one sprinkler

head flows in the dry-pipe system?

A

Clapper will lock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What should be done by the attack crew to orient
themselves before moving to the smoky fire floor in a
high-rise apartment building?

A

Find the same room number on the floor below the fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which of the following control the flow of the water?

A

Post indicator valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q 
Which class of standpipe system delivers only 100 gpm and
should not be depended upon for large fire knockdown?
A

Class II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which size pipe wrench should be included in the standpipe

kit?

A

14-inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the height of building where standpipes are

required?

A

75 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the most common type of sprinkler system control

valve?

A

OS&Y

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following is a correct statement about a good
starting discharge pressure for the standpipe system
operations when using a straight nozzle?

A

100 psi plus 5 psi for every story above grade

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following situations should you call for
assistance upon arrival when there is a sprinkler system
in place?

A

Heavy fire showing from the windows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the maximum pressure at the top-floor outlets when

a booster pump is in place?

A

65 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What size holes were drilled in the pipes in the first

attempts to create a nonautomatic sprinkler system?

A

1/8 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How long do gravity tanks generally provide protection

before running out of water?

A

30 to 90 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What feature is seen as a water conservation feature as
well as a property saving feature in the pre-action
system?

A

System is able to shut off and on the system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How many lengths of 50-foot hoseline would be needed due
to current regulations on the location of standpipes in a
sprinklered building?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which direction is the valve on the wall indicator valve

moved to close it?

A

Clockwise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is a common problem with partial sprinkler systems?

A

It is only connected to the domestic water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is a good amount of time for a sprinkler technician
to allow the water to flow before an alarm sounds to help
avoid false alarms?

A

1 minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the most common type of sprinkler system?

A

Automatic wet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What can be used to move the smoke from a sprinklered

building that is large with a limited number of openings?

A

Use the HVAC system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of the following items is NOT a trade-off that is

allowed when a building will be sprinklered?

A

Decrease the distance to the exits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
How much air pressure is used to hold back the top part of | the clapper in a differential dry-pipe valve?
35 psi
26
What is an uncommon occurrence at a location with a | sprinkler system in place that causes firefighters grief?
They go off once the firefighters are on scene
27
What are sprinkler contractors allowed to tap into when installing a sprinkler system in an older high-rise building?
Standpipe
28
How is the Siamese connection checked for water flow?
Feel for vibrations
29
What is the estimated space that each sprinkler head is | able to cover at 20 gpm?
100 square feet
30
What is a good rule of thumb in terms of pumpers and | Siamese connections?
One pumper for each Siamese
31
How many gpm would each normal sprinkler head flowing at | 50 psi deliver?
40
32
Which location often has the manual dry standpipe system | in place?
Parking garage
33
What is used as a check valve in the automatic wet | sprinkler system?
Alarm valve
34
Which of the following areas is commonly protected by a | deluge system?
Truck loading rack
35
Which type of standpipe system would be the best choice | when there is the risk of freezing in the area?
Semiautomatic dry
36
Where does the attack usually begin when using the | standpipe?
Staircase nearest the fire
37
How far into the threads should the firefighter probe before connecting to a standpipe outlet to ensure there are no obstructions?
3 inches
38
What should be the pump pressure for a fog nozzle when | used on the 15th floor?
250 psi
39
Which system is used over expensive electronic equipment | to protect the items in the case of a water leak?
Pre-action
40
What size team should be posted at the controls of the | sprinkler system?
2-person
41
Which of the following is a good reason to use the solid | tip nozzle when using the standpipe system?
Allows rust to pass that can build up in the system
42
How many feet of raise adds 4.34 psi to the water?
How many feet of raise adds 4.34 psi to the water?
43
How many square feet per floor as a minimum requires a | standpipe system be installed?
20,000
44
How often should the pressure-reducing valve be flow | tested as a minimum?
3 years
45
Where should spare hose be flaked out when there is a serious fire in a fire-resistant building to keep it from being burned?
Floor below the fire
46
Which of the following is an indication that there is a | sprinkler system in the building?
Presence of a Siamese connection
47
Which type of reducer needs to be bypassed for fire | department use?
Pressure-reducing valve
48
How long can the piping in the New York Telephone Switching Center's sprinkler system able to withstand 1,500 degrees Fahrenheit?
15 minutes
49
What size is the main drain valve?
2-inch
50
What should be done by the attack crew to orient themselves before moving to the smoky fire floor in a high-rise apartment building?
Find the same room number on the floor below the fire
51
Which of the following is an inherent problem with the dry | standpipe system?
Piping may not be able to withstand the working pressure
52
What would keep you from mistakenly thinking a building has a standpipe system due to the apparent requirements being met?
Visit each building and observe the system
53
Which of the following control the flow of the water?
Post indicator valve
54
Who can reset the dry-pipe system once the alarm has | sounded?
Sprinkler contractor
55
Which type of reducer works via a plate creating friction loss to reduce the flowing pressure on the downstream side?
Orifice plate between the reducer and the outlet
56
What is the primary distinction between different classes | of standpipes?
Intended users
57
Which of the following is a legitimate reason to shut off | the automatic sprinkler system?
Conserve water for manual firefighting efforts
58
What is an absolute must in sprinklered buildings but is | also hard to accomplish?
Ventilation
59
Which standard regulates the standpipe systems?
NFPA 14
60
Which system is used over expensive electronic equipment | to protect the items in the case of a water leak?
Pre-action
61
What should be done before putting water into the sprinkler system when there are members inside of the structure?
Have them move to a safe location
62
How many feet of raise adds 4.34 psi to the water?
10 feet
63
Where is the standpipe outlet valve generally located?
Head height
64
Which class of standpipe system is for firefighter usage?
Class I
65
``` Which class of standpipe has a 2 1/2-inch and 1 1/2-inch outlets? ```
Class III
66
What is the best size hoseline to include in the standpipe | kit?
2 1/2-inch
67
What is the maximum nozzle pressure that will most likely be available to work with in the upper floors of a high-rise building?
50 psi
68
What does the OS&Y valve look like when the valve is open?
Stem is sticking up
69
How long have sprinkler systems been in use around the | world?
100 years
70
What is the maximum pressure that is allowed in the Class | III standpipe system's 1 1/2-inch connection after 1993?
100 psi
71
Which of the following is a reason that fires in | sprinklered buildings seem more smoky?
Spray pattern pushes the smoke down to the floor
72
What senses the fire in a deluge system?
Fire detection system
73
Which of the following is NOT considered a strategy for | fighting fires in a sprinklered building?
Locate the system shutoffs when you arrive on scene
74
What are sprinkler heads marked as to?
Temperature
75
How many 2 1/2-inch lines should be used to supply the sprinkler system? p. 103
2
76
What is the minimum team size allowed by OSHA standards | for work within a standpiped building?
4
77
If you must force entry into a building due to receipt of a water flow alarm, where is the best place to do it in terms of building security when you leave?
Roof
78
Which type of sprinkler system is found in unheated areas | where freezing is a problem?
Dry-pipe
79
Which is the preferred type of standpipe system?
Automatic wet system
80
How many 2 1/2-inch lines should be used to supply the | sprinkler system?
2
81
Which class of standpipe system is for firefighter usage?
Class I
82
What is used as a check valve in the automatic wet | sprinkler system?
Alarm valve
83
Which type of sprinkler system does not have any water | supply attached to it?
Nonautomatic

Norman (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions