18 Questions
What influences the fire stream until it reaches its destination?
Velocity, gravity, wind, and friction with the air
At what pressure should solid stream nozzles on handlines be operated?
50 psi
What affects the reach of a fog stream?
Width, water particle size, wind, and water flow volume
What is a characteristic of a constant flow nozzle?
It is designed to flow a specific volume of water on all stream patterns at a specific nozzle discharge pressure.
What happens if the driver does not supply a selectable gallonage nozzle with the proper pressure?
The handline will not achieve the selected gallonage at the nozzle.
What is a characteristic of automatic fog nozzles?
They are a type of variable flow nozzle with the ability to change patterns while maintaining the same nozzle pressure.
What is the maximum flow for high pressure fog nozzles?
8-15 gpm
At what pressure do smooth bore master stream nozzles operate?
80 psi
When are master stream appliances generally operated?
During incidents where handlines would be ineffective
What is the maximum pressure at which high pressure fog nozzles operate?
800 psi
What is the maximum flow for handlines?
350 GPMs
What type of fires are high pressure fog nozzles best suited for?
Wildland fires
What is the flow range of chimney nozzles at 100 psi?
1.5 to 3 gpm
What type of master stream appliance is permanently attached to an aerial ladder or platform?
Elevated master stream
What is the capacity of piercing nozzles at 100 psi?
125 gpm
What is the distinguishing feature of combination monitors?
They may be used in a mount on the apparatus or removed and used remotely
What type of master stream appliance is permanently mounted on the apparatus?
Fixed monitors
What is the effect of water when it is discharged from a nozzle at a given pressure?
Nozzle reaction
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