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Fire Training > Hose, Streams, and Nozzles > Flashcards

Hose, Streams, and Nozzles Flashcards

1
Q

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

A

2.5”

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2
Q

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

A

250 GPM

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3
Q

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

A

Booster

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4
Q

A 50’ section of charged 2.5” hose weights approximately ___.

A

140 lbs.

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5
Q

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?

A

Preconnect

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6
Q

Which type of load is commonly used for preconnected attack lines?

A

Minuteman

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7
Q

The function of a standpipe system is to provide___.

A

A water supply for interior attack lines.

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8
Q

Attack lines should be connected to a standpipe system ___.

A

One floor below the fire floor.

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9
Q

What is the advantage of a smooth-bore nozzle?

A

Longer stream reach

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10
Q

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

A

50 PSI

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11
Q

What is an advantage of a fog-stream nozzle?

A

Greater heat absorption per gallon discharged.

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12
Q

Generally speaking, a 1.75” attack hose can flow___.

A

120-180 GPM

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13
Q

Master streams flow a minimum of___.

A

350 GPM

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14
Q

For which preconnected hose load does the fire fighter shoulder part of the load, with hose paying off the top of that load as the fire fighter advances?

A

Minuteman

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15
Q

What is the correct procedure for the triple layer load?

A

The entire load must be on the ground before the nozzle can be advanced.

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16
Q

Which preconnected hose load forms an S-shape in the hose bed?

A

Triple Layer

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17
Q

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

A

A serpentine pattern.

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18
Q

What is the correct procedure for deploying a triple-layer load preconnect?

A

Place the nozzle and the top of the fold over the should and walk away form the apparatus

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19
Q

Which attack line load is particularly useful when the line must be advanced up a stairway?

A

Minuteman

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20
Q

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

A

One fire fighter on each ladder section

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21
Q

Compared to fog nozzle streams, smooth-bore nozzle streams __.

A

Absorb less heat.

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22
Q

Which statement about straight streams is correct?
A) A straight stream is discharged from an adjustable fog nozzle.
B) a straight stream is the same as a solid stream.
C) A straight stream is discharged from a smooth-bore nozzle.
D) A straight stream resists breakup better than a solid stream.

A

A) A straight stream is discharged from an adjustable fog nozzle.

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23
Q

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

A

100 PSI

24
Q

What is a characteristic of a fog stream?

A

It creates water droplets with a large surface area.

25
Q

Which type of stream is most likely to disrupt thermal balance?

A

Fog

26
Q

Why is it necessary to limit the lowest stream angle of a portable monitor?

A

To prevent instability of the monitor

27
Q

What is the most frequently used hose line for interior attack?

A

1.75”

28
Q

An elevated master stream device mounted at the tip of an aerial ladder is a ___.

A

Ladder Pipe

29
Q

The Higbee indicator is:

A

utilized for aligning the male with the female coupling.

30
Q

A hose adaptor connects two hose sections of ___.

A

Equal diameter but differing threads

31
Q

Which item is used to attach a smaller hose to a larger one?

A

Reducer

32
Q

Which coupling goes on the inside of a straight hose roll?

A

Male

33
Q

Which hose load has the hose up on its edge and placed around the perimeter of the hose bed in a U-shape?

A

Horseshoe

34
Q

The 2-fire fighter stiff-arm method is used to ___.

A

Uncouple hose.

35
Q

Which hose load has the hose up on its edge and laid side-to-side in the hose bed?

A

Accordion

36
Q

A short fold in a supply hose load that prevents a coupling from flipping around when the hose is being laid out is a ___.

A

Dutchman

37
Q

Which type of hose roll is used to store hose on a storage rack?

A

Straight

38
Q

Prior to entering a fire area with a charged hose line, the nozzle operator should first:

A

Bleed air from the line.

39
Q

When advancing a hose line into a structure fire, the fire fighter on the nozzle and the back-up fire fighter should be:

A

On the same side of the hose line.

40
Q

The fire hose is generally classified by its size (inside diameter) and by:

A

Material of construction

41
Q

All of the following are one-person methods of uncoupling hose except the ___.
A) knee-press
B) stiff-arm
C) coupling-tilt
D) foot-tilt

A

B) Stiff Arm

42
Q

The most often used hose lay at fire scenes is the ___ lay.

A

Forward

43
Q

When should the fire fighter attaching the hose to the hydrant charge the supply line?

A

Not until the driver/operator signal is received

44
Q

When performing a forward lay, the pumper is driven from the:

A

Water source to the fire scene

45
Q

A distinct advantage of the minuteman load over the flat load is that:

A

the entire load can be advanced without dragging

46
Q

The main advantage of the donut roll is:

A

Both ends are available on the outside of the roll

47
Q

If dust and dirt on a woven-jacket fire hose cannot be removed by brushing, it should be washed with:

A

mild soap or detergent

48
Q

When fire fighters are unable to enter the structure or fire area due to intense fire conditions, a(n) ___ attack can be made.

A

Indirect

49
Q

Fine water droplets and maximum high water surface area are characteristics of a ___ stream.

A

Fog

50
Q

A stream designed to be as compact as possible with little shower or spray is known as a ___ stream.

A

Solid

51
Q

The 4 elements that make a fire stream are a pump, water, nozzle, and:

A

Hose

52
Q

A straight stream is discharged from a(n) ___ nozzle.

A

Adjustable-Fog

53
Q

One way to identify the physical structure of a male coupling is by the:

A

Lugs on the shank

54
Q

What hose lay causes the least wear due to vibration in the truck.

A

Flat

55
Q

What is a hose appliance?

A

Anything that water runs through.

56
Q

What is a hose tool?

A

Device to move or operate hose lines.

Fire Training (17 decks)

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