Ch6 supply hose loads and deployment procedures Flashcards

1
Q

forward lay

A

hose is laid from the water source ot the fire/emergency scene, female coupling is deployed first

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2
Q

reverse lay

A

fire hose is laid from the fire to the water source, male coupling is deployed first

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3
Q

The reverse lay is used when?

A

hydrant spacing is under 200 feet, the driver operater can see the incident scene, the water pressure is low(under 40 psi), and the supply line is over 500 feet

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4
Q

split lay

A

is a hoseline deployed in part as a forward lay and in part as a reverse lay by two pumping apparatus from a point between the incident and the water source

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5
Q

dual lay

A

The term dual lay can refer to any one of a number of ways to deply multiple supply hoselines; two or more same-sized hoselines deployed as supply hoselines by one pumping apparatus

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6
Q

combination lay

A

when two different-sized hoselines are deployed form one pumping apparatus and laid parallel to each other

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7
Q

A blank hose bed with 2 hose sizes offers the command officer a number of choices when determining the best way to commit limited resources

A

divided

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8
Q

what are the three basic hose loads?

A

accordion, horseshoe, and flat

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9
Q

what is a combination load

A

in a divided hose bed, where one side is set up for a forward lay and the other side is for a reverse lay

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10
Q

blank has a direct bearing on the manner in which hose is loaded and deployed and on the size of the hose used

A

pump size

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11
Q

accordion load

A

hose is laid preogressively on edge in folds that lie adjacent to each other

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12
Q

advantages of an accordion load

A

simple design for ease of loading, hose for shoulder carries can be easily taken from the load by simply picking up a number of folds and placing them on the shoulder

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13
Q

disadvantages of an accordion load

A

hose contains sharp bends which require it to be reloaded periodically, hose tends to wear on its edges, this load is not recommended for LDH

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14
Q

horseshoe load

A

it is loaded on edge but it is laid around the perimeter of the hose bed in a U-shape configuration

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15
Q

advantages of a horseshoe load

A

fewer shap bends in the hose

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16
Q

disadvantage of a horseshoe load

A

hose sometimes deploys in a wavy or snakelike pattern lay in the street as the hose is pulled, 10 -15% of the total length will be lost, shoulder folds cannot be obtained as easily, not recommended for LDH

17
Q

flat load

A

where the hose is laid so that its folds lie flat rather than on edges

18
Q

disadvantages of a flat load

A

folds contain sharp bends, requiring the hose to be reloaded periodically, requires 2 persons to make folds for shoulder carries

19
Q

An apparatus configured to carry large diameter supply hose on a reel is often designated as a?

A

hose wagon

20
Q

In jurisdictions where the primary water source is a water system with hydrants, it is usually best to use the hydrant closest to the fire scene. true or false

A

true

21
Q

the procedure for anchoring and connecting hose to a hydrant starts when the driver/operator stops the pumping apparatus with the tailboard approzximately blank feet past the hydrant

A

10