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Fire SOPs > Nozzles > Flashcards

Nozzles Flashcards

(35 cards)

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1
Q

What type of nozzle is the 1 ¾” Akron Sabrejet?

A

Combination Smoothbore/Fog

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2
Q

Where is the 1 ¾” Akron Sabrejet nozzle used?

A

On all 200’ preconnected attack lines

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3
Q

What is the flow rate of the 25mm smooth bore tip at 350 Kpa tip pressure?

A

700 L/min

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4
Q

What is the flow rate for the fog at 1100 Kpa discharge pressure?

A

510 L/min (135 GPM)

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5
Q

What is the discharge pressure on the 200-foot attack lines for smooth bore and fog?

A

1100 Kpa

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6
Q

Fill in the blank: The 25mm smooth bore tip delivers _______ L/min at 350 Kpa tip pressure.

A

700

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7
Q

True or False: The 1 ¾” Akron Sabrejet nozzle can only be used in smoothbore mode.

A

False

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8
Q

What is the desired flow in fog for the 200-foot attack lines?

A

510 L/min (135 GPM)

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9
Q

What is the required tip pressure for smooth bore on the 200-foot attack lines?

A

350 Kpa

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10
Q

What is the nozzle reaction for a 1 ¾” Akron Sabrejet in fog mode?

A

68 lbs

The nozzle reaction increases significantly when switching to smooth bore.

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11
Q

What is the nozzle reaction for a 1 ¾” Akron Sabrejet in smooth bore mode?

A

79 lbs

The flow increases from 510 L/min to 700 L/min.

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12
Q

What happens when you decrease the pressure for fire attack with a 1 ¾” Akron Sabrejet?

A

You may short your crew water needed for fire attack.

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13
Q

What is the nozzle reaction for a 1 ¾” Akron Ultrajet in fog mode?

A

60 lbs

There is little to no change in nozzle reaction when switching to smooth bore.

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14
Q

What is the nozzle reaction for a 1 ¾” Akron Ultrajet in smooth bore mode?

A

60 lbs

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15
Q

What is the flow rate for a 2½” Akron Sabrejet in smooth bore mode?

A

800 L/min

The flow increases from 510 L/min to 800 L/min when switching from fog to smooth bore.

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16
Q

What is the nozzle reaction for a 2½” Akron Sabrejet in fog mode?

17
Q

What is the nozzle reaction for a 2½” Akron Sabrejet in smooth bore mode?

18
Q

How much water does a 2½” Akron Sabrejet deliver in fog mode compared to a 1 ⅜” nozzle?

Study These Flashcards
A

The same amount of water

19
Q

What is the tip pressure for the 1 ¾” Akron Ultrajet when measured with a pitot gauge?

20
Q

What is the flow rate for the 1 ¾” Akron Ultrajet in fog mode?

Study These Flashcards
A

660 L/min (160 GPM)

21
Q

What is the desired flow rate for the 2½” Akron Sabrejet in fog mode?

Study These Flashcards
A

510 L/min (135 GPM)

22
Q

What is the nozzle reaction for the 2½” Akron Assault in fog mode?

23
Q

What is the flow rate for the 2½” Akron Assault fog nozzle?

Study These Flashcards
A

1000 L/min (250 GPM)

24
Q

What is the discharge pressure on the 200-foot attack lines for the 2½” Akron Assault?

25
True or False: The 2½" Akron Assault can be used for CAFS.
False ## Footnote There is no smooth bore option available.
26
What is the flow rate for the 2½" Akron Sabrejet in smooth bore mode?
800 L/min
27
What is the desired tip pressure for the 2½" Akron Sabrejet in smooth bore mode?
680 Kpa
28
What is the tip size of the 2 ½" Elkhart Smoothbore?
1 1/8"
29
What is the flow rate of the 2 ½" Elkhart Smoothbore?
1000 L/min (265 gpm)
30
What is the nozzle reaction for the 2 ½" Elkhart Smoothbore?
90lbs
31
What system MUST BE USED WITH SMOOTHBORE?
Compressed Air Foam System (CAFS)
32
What is the required PDP for 1¾" and 2 ½" attack lines when using CAFS?
740 KPA
33
How does the nozzle reaction of CAFS compare to water/foam and water?
Lower
34
What should the ideal bore size be for Wet and Medium CAFS?
½ the diameter of your attack line
35
For what type of fire attack is WET CAFS ONLY recommended?
Interior Fire Attack

Fire SOPs (45 decks)

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