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Fire > Chapter 16 Water Supply > Flashcards

Chapter 16 Water Supply Flashcards

1
Q

Accordion Hose Load

A

A method of loading hose on a vehicle that results in a hose appearance that resembles an accordion seductions. It is achieved by standing the hose on its edge, then placing the next fold on its edge and so on

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2
Q

Adaptor

A

A device that joins hose couplings of the same type, such as a male to male or female to female

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3
Q

Attack engine

A

An engines from which attack lines have been pulled

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4
Q

Attack hose (attack line)

A

Hose designed to be used by a trained FF and fire brigade members to combat fires beyond the incipient stage (NPFA 1961)

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5
Q

Ball valves

A

Valves used on nozzles, gated wyes, and engine discharge gates. They consist of a ball with a hole in the middle of the ball.

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6
Q

Booster hose

A

A non collapsible hose used under positive pressure having an elastomeric or mono plastic tube, a braided or spiraled reinforcements and an outer protective cover NPSA 1962

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7
Q

Butterfly valves

A

Valves that are found on the large pump intake valve where the suction hose connects to the inlet of the fire pump

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8
Q

Distributors

A

Relatively small diameter underground pipes that deliver water to local users within a neighbor hood

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9
Q

Double female adapters

A

A hose adaptor that is used to tow join to male hose couplings

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10
Q

Double jacket hose

A

A hose constructed with two layers of woven fibers

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11
Q

Double male adaptor

A

A hose adaptor that is used to join two female hose couplings

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12
Q

Dry barrel hydrant

A

A type of hydrant used in areas subject to freezing temperatures. The valve allows water to flow into the Dyer ant is located underground, and the barrel of the hydrant is normally dry

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13
Q

Dry hydrant

A

An arrangement of pipe permanently connected to a water source other than a piped, pressurized water supply system that provides a read means of water supply for firefighting purposes and that utilizes the drafting suction capability of a fire department pump NPFA 1142

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14
Q

Dump valve

A

A large opening from the water tank of a mobile water supply apparatus for unloading purposes NPFA 1901

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15
Q

Dutchman

A

A short folded placed in a hose when loading it into the bed; the fold prevents the coupling form turning into the hose bed

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16
Q

Elevated water storage tower

A

An above ground water storage tank that is designed to maintain pressure on a water distribution system

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17
Q

Elevation pressure

A

The amount of pressure created by gravity. Also known as head pressure

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18
Q

Fire hydraulics

A

The physical science of how water flows through a pipe or hose

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19
Q

Flat hose load

A

A method of putting a hose on a vehicle in which the hose is laid flat and stacked on top of a previous section.

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20
Q

Flow pressure

A

The amount of pressure created by moving water

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21
Q

Forward lay

A

A method of laying a supply line where the line starts at the water source and ends at the attack engine

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22
Q

Four-way hydrant valve

A

A specialized type of valve that can be placed on a hydrant and that allows another engine to increase the supply pressure without interrupting flow

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23
Q

Friction loss

A

The reduction in pressure resulting from the water being in contact with the side of the hose. This contact requires force to overcome the drags that the wall of the hose creates

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24
Q

Gate valves

A

Valves found on hydrants and sprinkler systems

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25
Q

Gated Wye

A

A valved device that splits a single hose into two separate hoses, allowing each hose to be turned on and off independently

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26
Q

Gravity - Feed system

A

A water distribution system that depends on gravity to provide that required pressure. The system storage is usually located at a height elevation than the end users

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27
Q

Hard suction hose

A

A hose used for drafting water from static supplies. It can also be used for supplying pumps on fire apparatus from hydrants if designed for that purpose. The hose contains a semi grid or rigid reinforcement NPFA 1963

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28
Q

Higbee indicators

A

Indicators on the male and female threaded couplings that indicate where the threads start. These indicators should be aligned before FF start to thread the coupling together

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29
Q

Horseshoe hose load

A

A method of loading hose in which the hose is laid int the bed along the three walls of the bed so that is resembles a horseshoe

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30
Q

Hose appliance

A

A piece of hardware (excluding nozzles) generally intended for connection to a fire hose to control or convey water NPFA 1962

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31
Q

Hose clamp

A

A device used to compress a fire hose so as to stop water flow

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32
Q

Hose jacket

A

A device used to stop a leak in a fire hose or to join hoses that have damaged couplings

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33
Q

Hose liner (hose inner jacket)

A

The inside portion of a hose that is contact with the flowing water

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34
Q

Hose roller

A

A device that is placed on the edge of a roof and is used to protect the hose as it is hoisted up and over the roof edge

35
Q

Large Diameter Hose LDH

A

A hose 3.5 inches (89mm) is larger that is designed to move large volumes of water to supply master stream appliances, portable hydrants, manifolds, standpipe and sprinkler systems and fire departments pumpers from hydrants and in relay NPFA 1410

36
Q

Master stream device

A

A large capacity nozzle that can be supplied by two or more hose lines of fixed piping. It can flow 300 gallons per minute. These devices include deck guns and portable ground monitors

37
Q

Medium diameter hose MDH

A

Hose with diameter of 2.5 or 3 inches (65mm or 76mm)

38
Q

Mildew

A

A fungus that can grow on a hose if the hose is stored wet. Mildew can damage the jacket of a hose

39
Q

Mobile water supply apparatus

A

A vehicle designed primarily for transporting (pickup, transporting and delivering) water to fire emergency scene to be applied by other vehicles or pumping equipment NPFA 1901

40
Q

Municipal water system

A

A water distribution system that is designed to deliver portable water to end users fro domestic, commercial, industrial, and fire protection purposes

41
Q

Normal operating pressure

A

The observed static pressure in a water distribution system during a period of normal demand

42
Q

Pitot gauge

A

A type of gauge that is used to measure the velocity pressure of water that is being discharged from and opening. It is used to determine the flow of water from a hydrant or nozzle

43
Q

Portable tanks

A

Folding or collapsible tanks that are used at the fire scene to hold water for drafting

44
Q

Primary Feeders

A

The largest diameter pipes in water distribution system, which carry the greatest amounts of water

45
Q

Private water system

A

A privately owned water system that operates separately from the municipal water system

46
Q

Reducer

A

A fitting used to connect a small hose line or pipe to a larger hose line or pipe NPFA 1142

47
Q

Remote controlled hydrant valve

A

A valve that is attached to a fire hydrant to allow the operator to turn the hydrant on without flowing water into the hose line

48
Q

Reservoir

A

A water storage facility

49
Q

Reverse Lay

A

A method of laying a supply line where the supply line starts at the attack engine and ends at the water source

50
Q

Rocker lugs (Rocker pins)

A

Fittings on the threaded couplings that aid in the couplings the hoses

51
Q

Rubber covered hose (rubber jacket hose)

A

Hose whose outside covering is made of rubber, which is said to be more resistant to damage

52
Q

Secondary feeders

A

Smaller diameter pipes that connect the primary feeder to the distributors

53
Q

Shut off valve

A

Any valve that can be used to shut down water flow to a water user or system

54
Q

Siamese Connection

A

A device that allows two hoes to be connected together and flow into a single hose

55
Q

Small diameter hose SDH

A

Hose with a diameter ranging from 1 - 2 inches

56
Q

Soft suction hose

A

A large diameter hose that is designed to be connected to a large port on a hydrant and into the engine

57
Q

Spanned wrench

A

A type of tool used to couple or uncouple hoses by turning the rocker lugs on the connections

58
Q

Split hose bed

A

A hose bed arranged to enable the engine to lay out either a single supply lines or two supply lines simultaneously

59
Q

Split hose lay

A

A scenario in which the attack engine forward lays a supply line from an intersection to the fire, and the supply engine revers lays a supply line from the hose left by the attack engine to the water source

60
Q

Static pressure

A

The pressure that exists at a given point under normal distribution system conditions measured at the residual hydrant with no hydrants flowing NPFA 24

61
Q

Static water source

A

A water source such as a point, river, stream or other body of water that is not under pressure

62
Q

Steamer port

A

The large diameter port on a hydrant

63
Q

Store type hose coupling

A

A hose coupling that ha the property of being both male and the female coupling. It is connected by engaging the lugs and turning the coupling a one third turn

64
Q

Supply hose (supply line)

A

Hose designed for the purpose of moving water between a pressurized water source and a pump that is supplying attack lines NPFA 1961

65
Q

Tanker shuttle

A

A method of transporting water from a source to a fire scene using number of mobile water supply apparatus

66
Q

Threaded hose coupling

A

A type of coupling that requires a male fitting and a female fitting to be screwed together

67
Q

Water hammer

A

The surge of pressure that occurs when a high velocity flow of water is abruptly shut off. This pressure is exerted by the flowing water against the close system can be seven or more times that of the static pressure NPFA 1962

68
Q

Water main

A

A generic term for any underground water pipe

69
Q

Water supply

A

A source of water for firefighting activities NPFA 1144

70
Q

Water thief

A

A device that has a 2 1/2 niche inlet and a 2 1/2 niche outlet in addition to two 1 1/2 inch outlets. It is used to supply many hoses from one source

71
Q

Wet barrel hydrant

A

A hydrant used in abreast that are not susceptible to freezing. The barrel of the hydrant is normally filled with water

72
Q

Wye

A

A device used to split a single hose into two separate lines

73
Q

NPFA 24

A

Standard for the Installation of Private Fire Service Mains and Their apparatus

74
Q

NPFA 1142

A

Standard on Water Supplies for Suburban and Rural Fire Fighting

75
Q

NPFA 1962

A

Standard for the Inspection, Care and Use of Fire Hose, couplings, and Nozzles and the Service Testing of Fire hose

76
Q

What is another name for a Dry hydrant?

A

Drafting Hydrant

77
Q

How many gallons per minute can a portable pump deliver?

A

500 bpm

78
Q

What is main feature for a static water source to be useful in fire suppression efforts?

A

Accessibility

79
Q

List the three mobile water supply apparatuses

A

Tanker Shuttles
Portable Tanks
Mobile Supply water apparatus also known as tankers or water tenders

80
Q

How much water does a fire engine usually carry?

A

500 gallons

81
Q

How much water can a fire department tank generally carry?

A

1000 - 3500 gallons of water. Some can even transport 5000 gallons

82
Q

What is the main advantage to a portable tank?

A

Speed is a primary advantage in that tankers fo not have to hook up an attack pumper and slowly transfer water. It can a dump valve enables the tanker to offload as much as 300 gallons in 1 minute.

Also it is ability to expand rapidly,

83
Q

How many gallons can a portable tank hold?

A

600 - 5000 gallons of water

Fire (4 decks)

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