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Fire Appartus Driver Operator > Chpt 6 > Flashcards

Chpt 6 Flashcards

1
Q

Is used to deliver water from a static source or from a fire hydrant to an attack pumper

A

Supply hose

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2
Q

Is used to discharge water from an attack pumper onto the fire

A

Attack hose

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3
Q

The _____ refers to the inside diameter of the hose when it is filled with water

A

Nominal hose size

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4
Q

Ranges in size from 1 inch to 2 inches in diameter

A

Small diameter hose

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5
Q

Th hose that is most commonly used to attack interior residential structure fires is either __________ in diameter

A

1 1/2 inch or 1 3/4 inch

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6
Q

Has a diameter of 2 1/2 in or 3 inches

A

Medium diameter hose

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7
Q

When used as an attack line, the 3 in size is more often used to deliver water to a __________

A

Master stream device or fire department connection

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8
Q

Has a diameter of 3 1/2 inches or more

A

Large diameter hose

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9
Q

Attack hose is designed to be used for

A

Fire suppression

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10
Q

Most fire departments use either ________ hose as a primary attack line for most fires

A

1 1/2 or 1 3/4 in

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11
Q

The primary difference between 1 1/2 in and 1 3/4 in hose is the amount of ________ that can flow through the hose

A

Water

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12
Q

The ______ is the most widely used primary attack lines in the fire service

A

1 3/4 in

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13
Q

A ______hose is used as an attack line for fires that are too large to be controlled by a 1 1/2 in or 1 3/4 in hoseline

A

2 1/2 inch hose

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14
Q

The use of ______ is typically limited to small outdoor fires and trash dumpsters

A

Booster hose

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15
Q

Is used to deliver water to an attack pumper from a pressurized source, which could be a hydrant or another engine working in relay operation

A

Supply hose

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16
Q

A ______ is a short section of LDH that is used to connect a fire department pumper directly to the larger streamer outlet on a hydrant

A

Soft sleeve hose

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17
Q

Is a special type of supply hose that is used to draft water from a static source such as a river, lake, or portable drafting basin

A

Hard suction hose

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18
Q

A ______ is any device used in conjunction with a fire hose for the purpose of delivering water

A

Fire hose appliance

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19
Q

A ____ is a device that splits one hose stream into two hose streams

A

Wye

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20
Q

It is used primarily for 1 3/4 in attack lines that stretch for long distances from the fire apparatus

A

Wye

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21
Q

The wye that is most commonly used in the fire service has _____

A

2 1/2 in inlet and splits into two 1 1/2 in outlets

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22
Q

A ______ is equipped with two quarter turn ball valves so that the flow of water to each of the split lines can be controlled independently

A

Gated wye

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23
Q

The use of a ______ avoids the need to shut down the hoseline supplying the wye while attaching this second line

A

Gated wye

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24
Q

A ______ is similar to a gated wye, but includes an additional 2 1/2 outlet

A

Water thief

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25
Q

A ______ can be placed near the entrance to a building to provide the water for interior attacks

A

Water thief

26
Q

A ________ is a hose appliance that combines two hoselines into one.

A

Siamese connection

27
Q

The most commonly encountered type of ______ combines two 2 1/2 in hoselines into a single 2 1/2 in hoseline

A

Siamese connection

28
Q

Most Siamese connections contain a built in ______ to allow for one hoseline to be charged before the other one is connected

A

Clapper valve

29
Q

Are commonly installed on the fire department connections that are used to supply water to standpipe and sprinkler systems in buildings

A

Siamese connections

30
Q

Are used for connecting hose couplings that have the same diameter but dissimilar threads

A

Adapters

31
Q

A ______ is used to attach a smaller diameter hose to a larger diameter hose

A

Reducer

32
Q

A ______ is a device that is placed over a section of hose to stop a leak

A

Hose jacket

33
Q

This device should only be used in cases where it is not possible to quickly replace the leaking section of hose

A

Hose jacket

34
Q

A ____ is used to temporarily stop the flow of water in a hoseline

A

Hose clamp

35
Q

Are used to control the flow of water in a pipe or hoseline

A

Valves

36
Q

Are used on nozzles, gated wyes, and engine discharge gates

A

Ball valves

37
Q

Are the most common discharge valves found on fire pumps

A

Ball valves

38
Q

Are found on hydrants and on sprinkler systems

A

Gate valves

39
Q

Are often found on large pump intake connections where a hard suction hose or soft sleeve is connected

A

Butterfly valves

40
Q

This appliance, which is attached to a fire hydrant, is used in conjunction with a pumper to increase water pressure in relay operations

A

Relay or hydrant valves

41
Q

Are attached to the discharge end of attack lines to give fire streams shape and direction

A

Nozzles

42
Q

Flow 40 gpms or less. They are primarily used on booster lines their application is limited to small outside fires

A

Low volume nozzles

43
Q

Are used on hoselines ranging from 1 1/2 in to 2 1/2 in in diameter

A

Handline nozzles

44
Q

Usually flow water at a rate between 60 gpm and 350 gpm

A

Handline streams

45
Q

Are used on deck guns, portable monitors, and ladder pipes that flow more than 350 gpm

A

Master stream nozzles

46
Q

The _______ enables the firefighter at the nozzle to start or stop the flow of water

A

Nozzle shut off

47
Q

The most commonly encountered nozzle shut off mechanism is a _______

A

Ball valve or quarter turn valve

48
Q

Most smooth bore nozzles are designed to operate at _____ where as many adjustable stream nozzles require pressures of 75 psi to 100 psi

A

50 psi

49
Q

Nozzles produce fine droplets of water

A

Fog stream

50
Q

Discharging 1 gallon of water in 100 ft of involved interior space may produce enough steam to extinguish a fire in ____

A

30 seconds

51
Q

The advantage of ________ is that they produce less reaction force, which makes them easier to control and advance

A

Low pressure nozzles

52
Q

A _____ delivers a preset flow at the rated discharge pressure. The nozzle could be designed to flow 30, 60, or 100 gpm

A

Fixed gallonage fog nozzle

53
Q

An ______ allows the operator to select a desired flow from several settings by rotating a selector bezel to adjust the size of the opening.

A

Adjustable gallonage fog nozzle

54
Q

An ______ can deliver a wide range of flows.

A

Automatic adjusting fog nozzle

55
Q

A typical Automatic adjusting fog nozzle could have an operating range of 90 to 225 gpm while maintaining a discharge pressure of______

A

Automatic adjusting fog nozzle 100 psi

56
Q

Are used to make holes in auto mobile sheet metal, aircraft, or building walls, or ceilings so as to extinguish fires behind surfaces

A

Piercing nozzles

57
Q

Are used to fight fires in cellars and other accessible Automatic adjusting fog nozzle places such as attics and cocklofts

A

Cellar nozzles and Bresnan distributor nozzle

58
Q

If the engine company has its hose set up for a forward lay, the coupling to come off will be

A

Female

59
Q

The handle that controls this valve is called a

A

Bale

60
Q

The simplest smooth bore nozzle consists of a shut off valve and a ______ that gradually decreases the diameter of the stream to a size smaller than the hose diameter

A

Smooth bore tip

61
Q

This type of nozzle has a longer reach than a combination fog nozzle operating at a straight stream setting.

A

Smooth bore

62
Q

Is capable of deeper penetration into burning materials, resulting in quicker fire knockdown and extinguishment.

A

Smooth bore nozzle

Fire Appartus Driver Operator (18 decks)

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