ch7 fire hose nozzles and flow rates

Question 1

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

Answer 1

fire stream

Question 2

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

Answer 2

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

Question 3

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

Answer 3

constant flow

Question 4

This nozzle has a number of constant flow settings

Answer 4

manually adjustable nozzles

Question 5

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

Answer 5

monitor

Question 6

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

Answer 6

turret pipe

Question 7

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

Answer 7

deluge set

Question 8

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

Answer 8

ladder pipe

Question 9

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

Answer 9

nozzle reaction

Question 10

nozzle reaction for solid stream nozzles

Answer 10

NR=1.57 X d^2 X NP

Question 11

nozzle reaction for fog stream nozzles

Answer 11

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