Evolution 1 Stretching a Foam Handline Flashcards

1
Q

In determining the most advantageous location for the eductor, considering the following:
Only____ hose can be stretched between the eductor and the foam nozzle, with a maximum of ____ lengths.
Fill in the blanks

A

2.2 A.

Only 1¾” hose can be stretched between the eductor and the foam nozzle, with a maximum of four lengths.

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

In determining the most advantageous location for the eductor, considering the following:
The eductor must be placed at least how many lengths from the pumper?

A

2.2 B.

The eductor must be placed at least one length from the pumper.

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

In determining the most advantageous location for the eductor, considering the following:
Supply the eductor with what size hose?

A

2.2 C.

Supply the eductor with 2½” hose.

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

The officer gives the command to start water. The foam nozzle will be opened fully and directed away from the fire. The ECC will start water and provide ____psi at the eductor. The member at the eductor places pickup tube into the container. When foam is flowing at the nozzle, the nozzle is directed at the fire. Avoid opening and closing the nozzle. This interrupts the educting operations and causes an intermittent flow of foam.
Fill in the blank

A

2.4

200

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

Where should the nozzle be operated to reduce back pressure?

A

2.5
To reduce back-pressure at the eductor, the nozzle should be operated at or below the level of the eductor. When head pressure is incorporated into the stretch such as stretching up a hill or to a floor in the building other than the ground floor, the eductor may not operate.

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

Use the matching GPM foam nozzle and eductor. Both the nozzle and the eductor should have a 1” _____ band.
Fill in the blank

A

2.6

white

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

In order for the eductor to function properly,what needs to be opened fully?

A

2.7

In order for the eductor to function properly, the nozzle should be opened fully when in use.

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