Training Bullitin 103 Foam Dispensing Equipment Flashcards

1
Q

How much does foam increase the effectiveness of water?

A

3 to 5 times

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

What percent of class b foam flow land on the flammable liquid?

A

80 percent

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

What is the class b foam ratio for the hydro foam 660 nozzle?

A

From 3 to 1 to 6 to 1

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

What is the 660 foam stream able to withstand?

A

Strong winds

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

At what pressure is the 660 hydro foam nozzle able to operate at?

A

May operate at 75 pounds or less

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

What is the flow and reach of the hydro foam nozzle?

A

660 gallons per minute with a reach up to 180 feet

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

What is the maximum length of 1.5 inch hose from the JRC to the hydro foam nozzle?

A

1000 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How much foam is used when flowing the 660 hydro foam nozzle?

A

20 gallons per minute

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

The in line foam eductor can be used with what types of foam?

A

Class A or class B

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

What nozzle is used when using the in line foam eductor?

A

125 gallons per minute nozzle

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

What is the maximum length of hose used with the in line foam eductor?

A

150 feet for inch and a half

250 feet for inch and three quarter

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

What do you pump to the in line foam eductor inlet?

A

200 pounds

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

What is the pressure at the discharge outlet of the in line foam eductor when pumping 200 pounds to the inlet?

A

130 pounds

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

What ratio of foam is to be used when using the in line foam eductor?

A
3 percent class b
.5 to 1 percent class a foam
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How much do you reduce nozzle pressure when going from foam to water on the in line foam eductor?

A

10 percent on the selector knob

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

What is the expansion ratio of foam in the bubble cup?

A

8:1

17
Q

What is the nozzle pressure, gpm, and friction loss of the bubble cup on 1” line?

A

NP- 100

GPM- 10/40

FL of 1”- 25 psi

18
Q

In what position does the cup of the bubble cup nozzle need to be in order to flow water only?

A

Retracted

19
Q

After how much time will a Class A foam blanket break down?

A

15-30 minutes

20
Q

At what temperature does class A foam break down?

A

170 degrees

21
Q

At what percent shall class A foam be for a thicker blanket?

A

0.6-1%