Chapter 17 - Fire Attack and Foam

Most smooth-bore nozzles are designed to operate at which pressure?

50 psi

Compared to fog nozzle streams, smooth-bore nozzle streams

absorb less heat.

Which type of hose ranges in size from 2.5" to 3" in diameter?

Medium

Most fog nozzles are designed to operate at which nozzle pressure?

100 PSI

Which attach line load is often coupled to a large-diameter line?

Wyed lines.

Which type of nozzle is used to fight fires inaccessible places such as attics and basements?

Cellar

What is the term for a hose line that is stored on an engine connected to a discharge and equipped with a nozzle for immediate deployment?

Preconnect.

Which type of hose ranges in size from 1" to 1.5" in diameter?

Forestry.

How should fire fighters space themselves when advancing an uncharged line up a ladder?

One fire fighter on each ladder section

Which type of fog-stream nozzle provides a flow between 90 and 225 gpm?

Automatic-adjusting

Attack lines should be connected to a standpipe system

one floor below the fire floor.

Hard rubber hose stored on a hose reel is _____ hose.

booster.

Master streams flow a minimum of

350 gpm.

What is an advantage of a fog-stream nozzle?

Greater heat absorption per gallon discharged.

Generally speaking, a 1-3/4" attack hose can flow

120-180 gpm.

In general, what volume does a 2.5" handline flow?

250 gpm.

What is an advantage of a smooth-bore nozzle?

Longer stream reach

Generally speaking, a 1.5" attack hose can flow

60-125 gpm

Which hose diameter is used as both supply line and attack handline?

2.5

When there is extra hose at the entry of a building, how should that hose be arranged?

A serpentine pattern.