ch7 fire hose nozzles and flow rates Flashcards

1
Q

a stream of water or other extinguishing agent after it leaves a nozzle until it reaches the desired point

A

fire stream

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

What is the equation to determine the flow from a solid stream nozzle

A

GPM=29.7 X d^2 X square root of NP

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

blank nozzles are designed to flow a specific amount of water at specific nozzle discharge pressure on all stream patterns

A

constant flow

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

This nozzle has a number of constant flow settings

A

manually adjustable nozzles

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

with a blank, the stream direction and angle can be changed while water is being discharged

A

monitor

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

A blank is mounted on a fire apparatus deck and is connected directly to the pump by permanent piping

A

turret pipe

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

The blank consists of a short length of large diameter hose with a large nozzle or large playpipe supported at the discharge end by a tripod

A

deluge set

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

A blank is a master stream device used in conjunction with aerial ladders

A

ladder pipe

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

blank clearly illustrates Newton’s third law of motion, for every action there is an equal and opposite reaction

A

nozzle reaction

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

nozzle reaction for solid stream nozzles

A

NR=1.57 X d^2 X NP

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

nozzle reaction for fog stream nozzles

A

NR= .0505 X Q X square root of the NP

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