Chapter 15 Fire Hose FF1

Hose size refers to the external diameter of the hose

False

A hose clamp should be applied approximately 5 feet (1.5 m) from the coupling on the supply side.

True

NFPA� 1901 lists the minimum quantity of hose to be carried on a standard pumper or engine

True

In a forward lay, the first coupling to come off the hose bed should be male.

False

When advancing hose up and down a stairway, the hose should be uncharged when conditions allow

True

Which type of fire hose requires the most care in cleaning?

Woven-jacket hose

Which of the following items allow the number of hoselines operating on the fire ground to be increased or decreased?

Valve devices

Which of the following statements is an advantage of the accordion load?

Firefighters can easily pick up a number of folds and place on one shoulder to carry hose from the bed

Which preconnected hose load is designed to be pulled by one person and must be completely removed from the bed before deploying the nozzle end?

Triple layer load

Which type of hose lay is the most expedient if the apparatus must stay at the water source?

Reverse lay

When deploying preconnected hoselines, which load should result in the hoseline deploying with fewer kinks and bends?

Minuteman load

List four recommended fire hose cleaning practices after chemical exposure.

� Avoid laying fire hose directly against curbs where oil, gasoline, and battery acid may accumulate or pool
� Avoid exposing fire hose to hazardous material spills
� Avoid exposing fire hose to spills of foam concentrate
� Scrub fire hose suspected of ha

What should be done if a fire hose coupling swivel becomes difficult to spin?

� Submerge in warm, soapy water and move forward and backward to thoroughly clean
� Clean male threads with stiff brush or wire brush
� Lubricate to maintain swivel
� Replace cracked, scored, or inflexible gaskets

When handling large hoselines, what can the nozzle operator do to reduce fatigue?

Use a hose strap or rope hose tool looped over the shoulder
Reduce nozzle flow if conditions allow

What type of hose transports water or other agents, at increased pressure, from a pump-equipped apparatus to a nozzle?

Attack hose

In order to be reliable, fire hose must be:

constructed of the best materials.

Which of the following is used to describe hose size

Diameter

Suction hose is manufactured in minimum lengths specified in NFPA�:

1901.

Soft sleeve hose is a minimum of ___ in length

15 feet (4.6 m)

What type of hose is designed for drafting water from static water supplies or connecting to a fire hydrant?

Hard-suction hose

Fire hose couplings are made of:

durable, rust-proof materials

Which types of couplings are made of brass or other malleable metals?

Drop forged couplings

Which kind of couplings have male and female parts?

Threaded couplings

Which part of the female threaded coupling is the free-turning ring on which the threads are cut

Swivel

Which types of lugs are found on modern couplings?

Rocker lugs

Which type of nonthreaded couplings have two hook-like lugs on each coupling?

Quarter-turn

Which of the following is a disadvantage of nonthreaded couplings?

Hose can become uncoupled suddenly and violently

What type of fire hose damage occurs when contact with an object or surface causes slices or rips on the exterior covering?

Mechanical damage

How can mechanical damage be prevented?

Provide traffic control to prevent vehicles from driving over hose

What type of fire hose damage can char, melt, or weaken the outer jacket of hose?

Thermal damage

Cold damage to fire hose can be prevented by

flowing water through nozzles during intermittent use at fires

What guidelines should be followed for removing frozen hose

Perform service testing before placing thawed hose back in service

What type of fire hose damage can weaken the jacket which can lead to ruptures under pressure?

Organic damage

How can organic damage be prevented?

Ventilate all areas where fire hose is kept

Which of the following is an example of chemical damage?

Exposure to motor oil and gasoline

How should hose be cleaned after chemical exposure?

Remove hose periodically and wash with plain water

Which of the following are highly resistant to corrosion?

Brass couplings

How can age deterioration of fire hose be prevented?

Remove and replace hose loads every six months if not used

When should hose be inspected?

Within 90 days before being placed in service for the first time

What kind of hose should be washed with clear water while scrubbing with a stiff brush?

Woven-jacket hose

Most hose-washing machines wash almost any size hose up to:

3 inches (77 mm).

Which of the following precautions should be taken when drying hose in a hose tower

Remove hose from hose tower as soon as dry

How should hose be stored in hose racks?

Roll hose with the male end inside roll to protect male coupling threads

How should fire hose couplings be cared for?

Inspect gaskets and replace if cracked or creased

Which type of valve has a baffle that lowers into the path of the water by turning a screw-type handle?

Gate valve

Which valve device is similar to a wye, but has an inlet and outlet of matching size combined with smaller outlets that take water from the main line?

Water thief appliance

Which fitting is used to connect a smaller diameter hose to the end of a larger one?

Reducer

Which hose tool can be installed when a hoseline ruptures but must remain charged to continue the fire attack?

Hose jacket

A hose clamp should be applied at least ___ feet (m) behind the apparatus.

20 (6)

Which hose tool protects fire hose from vibrating and rubbing against other surfaces?

Chafing block

Which hose roll is used to store sections of hose in a storage rack or other location?

Straight roll

In which hose roll is the hose used to form a built-in carrying loop?

Self-locking twin donut roll

Which hose load is easy to load and requires two or three people to load?

Accordion load

Which of the following is a disadvantage of the horseshoe load?

It does not work for large-diameter hose

Which hose load finish begins by forming three or more pull loops that extend beyond the end of the hose load?

Skid load finish

Which of the following is a guideline for loading fire hose?

Remove kinks and twists from hose when bent to form a loop in the hose bed

Which preconnected hose load deploys from the shoulder as the firefighter advances toward the fire, and is particularly well-suited for narrow hose beds?

Minuteman load

Where might booster hose reels be mounted on the apparatus?

In rear compartments

What is an advantage of the forward lay?

Pumper can remain at the incident scene so hose and equipment are readily available

Which hose lay is used when the pumper must first go to the fire location before laying the supply line?

Reverse lay

For which type of hose lay must hose be loaded into the hose bed in two separate hose bed compartments?

Combination lay

Which preconnected hoseline deploys by unfolding from the top of the stack carried on the shoulder as the firefighter advances toward the fire?

Minuteman load

When using ___, kneel on the hose to anchor as the driver/operator drives slowly toward the water source.

hose equipped with wye appliances

Which of the following safety guidelines should be followed when advancing hose into a structure?

Position the nozzle operator and members of the hose team on the same side of the hoseline

When improvising a standpipe, secure hose to:

hand rails.

When operating small hoselines with two firefighters, the backup firefighter takes a position ___ behind the nozzle operator.

on the same side of the hose about 3 feet

Which of the following tools is required when extending a section of hose?

Hose clamp

Which of the following methods could be used to control a loose hoseline?

Apply a hose clamp at a stationary point in the hoseline