Ch. 15 - Fire Hose, Appliances and Nozzles Flashcards
What is the two-fire fighter stiff arm method used for?
Uncoupling hose
1.5 hose flow rate
60-125gpm
1.75 flow rate
120-180gpm
1 inch (booster hose) flow rate
40-50gpm
2.5 flow rate
250gpm
ldh flow rate
350-1500gpm
Solid-stream hand lines are designed to be operated at a nozzle pressure of ____ psi?
50
Devices through which water flows, used in conjunction with fire hose, such as a gate valve are known as?
Appliances
What is the preferred way to load LDH hose?
Accordion load
What is the purpose of a hose adaptor?
To connect hose sections of equal diameter, but different thread
What is used to connect hoses of different diameters?
a reducer
What feature is required on fire department connections that allows a fire fighter to charge a the first hose line prior to connecting the second?
clapper valve
What type of hose transfers water from the hydrant to the apparatus?
soft sleeve
What is the main advantage of the donut roll?
both ends are available on the outside
What is on a coupling to provide leverage when tightening/loosening?
rocker lugs
What is the notch that helps align couplings called?
Higbee indicator
Which kind of coupling has the gasket?
female
What type of connection is usually used to connect to a hydrant?
storz
what is hard suction hose used for?
drafting water from a static source
When is a single-doughnut roll used?
when the hose will be used directly from rolled state
What appliance allows a hose to be split into two or more lines?
wye
what is a water thief used for?
supplying many hoses with water from one source
What appliance is used to stop a leak in a hose?
hose jacket
What type of valve is used for fire hydrants?
gate valve
What type of master stream appliance is mounted on aerial apparatus?
ladder pipe
What hose pressure do fog-stream nozzles require?
75-100psi
What NFPA governs inspection, care, and use of fire hose?
1962
