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Fire Appartus Driver Operator > Chpt 12 > Flashcards

Chpt 12 Flashcards

1
Q

Atmospheric pressure which is pressure created by the weight of the atmosphere is ______ at sea level

A

14.7 psi

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2
Q

As you move up in elevation from sea level and the atmosphere thins or lessens, this supply pressure decreases : the pressure drops approximately ____ for every 1000 ft of elevation above sea level

A

0.5 psi

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3
Q

The atmospheric pressure at your drafting site is the maximum supply pressure for

A

Drafting

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4
Q

Is any pressure less than atmospheric pressure

A

Vacuum

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5
Q

A fire pumper in good condition should be able to develop a vacuum equal to about ______

A

22 inches

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6
Q

Is the height that a column of water can be lifted in a quantity considered sufficient to provide reliable fire flow

A

Dependable lift

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7
Q

It is generally considered to be 15 ft

A

Dependable lift

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8
Q

Is the process of removing air from a fire pump and replacing it with water

A

Priming

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9
Q

A ____ is a positive displacement pump used to remove the air from the pump during priming

A

Priming pump

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10
Q

The ____ is a small tank that holds the lubricant for the priming pump

A

Primer oil reservoir

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11
Q

It is generally located slightly higher than the pump and often enclosed behind an access panel on the side or the top of a fire apparatus

A

Primer oil reservoir

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12
Q

The best way to assess the operational readiness of the priming system is to conduct a ____ periodically

A

Vacuum test

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13
Q

A fire pump that retains any vacuum for ____ should prime and draft water easily in most situations

A

5 minutes

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14
Q

Is a vital part of any fire incident and can become a major part of the incident management system in scenarios where a reliable public water or private water system is not available

A

Water supply management

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15
Q

Position reports to the operations section chief and is responsible for ensuring that an adequate supply of water is available to mitigate the incident

A

Water supply officer

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16
Q

When drafting water is the chosen method for providing that supply, the ____ of the static water source becomes a primary consideration in the process of selecting an appropriate drafting site

A

Reliability

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17
Q

The first consideration in determining the reliability of a static water source is to estimate the _____ of water available

A

Quantity

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18
Q

Calculating available water in a non moving source

A

Q= LxWxDxC

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19
Q

Calculating available water in a moving source

A

Q= WxDxVxC

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20
Q

The next step in determining the reliability of a static water source is to consider the ______ of the water in the static source

A

Quality

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21
Q

Never walk on ice without a personal flotation device and safety line unless you know for certain the water is less than

A

Waist deep

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22
Q

Clearly it is a good idea to identify drafting sites during _____ efforts rather than waiting for a fire to force you to find one in an emergency situation

A

Preplanning

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23
Q

The installation of ____ should be considered in areas where access is difficult or when a location would make an ideal drafting site that could be used frequently

A

Dry hydrants

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24
Q

Dry hydrants can be required, in local fire prevention codes to be installed by the property owner to provide quick access to _____

A

Static water supplies

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25
Q

Consider placing _____ near static water sources whenever accessing these sources with a fire pumper is not possible

A

Portable pumps

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26
Q

May be used when the water is not deep enough to allow the use of conventional hard sided drafting supply lines

A

Floating pumps

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27
Q

Another option for drafting from relatively shallow flowing water sources is to place a ___ in a stream bed

A

Dam

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28
Q

Whenever you have multiple, strong options for possible drafting sites, the best choice, is determined by the _____

A

Location and the purpose of the drafting operation

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29
Q

The next step in the process of obtaining a water supply from a static water source is establishing a pumping operation from a

A

Draft

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30
Q

The first step in establishing a drafting operation is to locate an _____

A

Appropriate water source

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31
Q

The ____ is most commonly used for deep water sources in which you are confident that the strainer will not be able to contact the bottom of the source or large debris fields

A

Barrel strainer

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32
Q

Are cylindrically shaped, generally 10 inches to 16 inches long, and made of aluminum

A

Barrel strainers

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33
Q

Is designed for use in clean, shallow water sources

A

Low level strainers

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34
Q

A ____ is used primarily when drafting from a portable tanks because the water is free from debris and the strainer can touch the bottom without fear of dirt or silt entering the pump

A

Low level strainer

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35
Q

Is designed to operate below the surface scum and above weeds, dirt, and silt in the water source

A

Floating strainer

36
Q

This type of strainer is ideal for water sources in which the depth or the bottom quality is unknown

A

Floating strainer

37
Q

When you are using a barrel strainer, there should be at least _____ of water in all directions around the strainer

A

24 inches

38
Q

The low level and floating strainers are designed to operate in shallow conditions and require only ______ of water depth

A

24 inches

39
Q

The first step is preparing to draft from a water source is to find the _____

A

Water source

40
Q

A _____ is a small diameter hoseline that remains in the open position and continues flowing water during the entire drafting operation

A

Dump line

41
Q

Another problem you may encounter during drafting operations is ________, which occurs when you attempt to flow water faster than it is being supplied to the pump

A

Cavitation

42
Q

Cavitation during drafting operations is usually caused by a _____, which introduces air into the intake water supply

A

Vacuum leak

43
Q

The second leading cause of cavitation is a ____

A

Plugged intake screen

44
Q

Failure of the pump to prime is one of the most common problems that occurs during _____

A

Drafting operations

45
Q

The fire pump on your fire apparatus should prime in _____ or less in most cases

A

30 seconds

46
Q

Often a worn tank to pump valve will be the source of a

A

Vacuum leak

47
Q

Establishing an uninterrupted ____ is one of the most important objectives for any IC

A

Water supply

48
Q

In many rural or remote areas of a jurisdiction, water must be carried to the fire scene in an operation called a ____

A

Water shuttle

49
Q

A ____ is a location where the tankers can get their water tanks filled, such a hydrant, a pond, a lake, or a river.

A

Fill site

50
Q

A ____ is where the tanker can offload the water

A

Dump site

51
Q

A _____ is any location at which a tanker can be filled, such as a hydrant, pond, a lake, or a river.

A

Fill sites

52
Q

It is wise to select a drafting site that, if possible allows tankers in the shuttle operation to enter and exit without having to

A

Back up or turnaround

53
Q

Fill sites utilizing a _____ are often the most reliable due to their unobstructed access and the quantity and quality of the water they offer

A

Hydrant

54
Q

Using a hydrant as a fill site can be a very simple operation, especially if you find a suitable hydrant that has a flow pressure of at least ____

A

50 psi

55
Q

Establishing a suitable drafting site for a portable pump requires ____ of water in all directions around the strainer and enough hose to get the water to the fill site

A

24 inches

56
Q

When an inaccessible area will serve as a fill site, the use of some type of portable pump that discharges water into a portable tank is a highly practical means of obtaining a ______

A

Water supply

57
Q

Tankers are specialized types of fire apparatus that carry several hundred or several thousand gallons of water which can weigh more than _______

A

80,000 pounds

58
Q

The location at which the shuttled water will be off loaded is called a

A

Dump site

59
Q

Large parking lots and fields that are flat and smooth can make excellent locations for

A

Dump sites

60
Q

The ideal _____ location is close enough that the source pumper can supply the attack pumper without a relay pumper but not close that the tankers cannot access it

A

Dump site

61
Q

Are usually carried on tankers and should hold as much water as the capacity of the tanker will allow

A

Portable tanks

62
Q

Provide a source of water that is free from debris and not subject to the effects of stream currents and unknown shore soil conditions

A

Portable tanks

63
Q

The ____ is a large opening sometimes as large as 12 to 16 inches that is connected directly to the tank and allows it to be emptied quickly, in some cases less than one minute

A

Dump valve

64
Q

Once the tanker is positioned at the dump site, unloading it through a ____ is the easiest strategy to implement

A

Dump valve

65
Q

In older tankers, the water is released ____ by personnel at the dump tank. This is one of the most common methods used to offload a tanker

A

Manually

66
Q

The main objective in moving water from one tank to another when using multiple tanks is to keep the main portable tank _____

A

Full

67
Q

After the source pumper has established a draft from this static source water supply, all efforts should be taken to prevent air from being introduced into the pump which explains why it is preferred that dumping operations are done in one tank while the drafting takes _____

A

Place in another

68
Q

Establishing a smooth ____ will improve efficiency and increase safety around the dump site the tankers will need to make fewer moments if they do not have to back up to reposition themselves for offloading

A

Traffic pattern

69
Q

All tankers should travel the same path to enter and then exit the

A

Dump site

70
Q

A _____ that flows in a semi circular direction will be the most efficient because the vehicles will not be traveling on the same roadway in opposite directions

A

Traffic plan

71
Q

The operation of offloading a tanker into another tanker or into a pumper as form of a water source is called a

A

Nurse tanker operation

72
Q

A ____ is set up when there is no room to establish a dump site, relay operation, or a combination of the two

A

Nurse tanker operation

73
Q

The ideal nurse tanker is the ______ tanker that is available, as it will serve as the primary source of water for the fire attack operation

A

Largest

74
Q

Tractor trailer tankers which can carry as much as _____ of water are very good choices for this operation because they can be supplied by smaller tankers through a second nurse tank operation

A

6000 gallons

75
Q

Water supply officers should be given ___ at any scene

A

Top priority

76
Q

Is responsible for establishing the dump site, creating traffic patterns, and ensuring that the source pumper at the site has a sustained water supply

A

Dump site officer

77
Q

Is responsible for establishing the fill site location ensuring that the water source for filling the tankers will meet the demand and creating the traffic patterns in and out of the fill site

A

Fill site officer

78
Q

When you check the primer oil level in the reservoir, you should also confirm that the _____ is not clogged

A

Anti siphon hole

79
Q

This very small hole is found in the fitting on top of the primer oil reservoir or in the top of a loop in the lubrication line leading to the priming pump

A

Anti siphon hole

80
Q

Several factors must be considered when you are determining the reliability of a static water source namely, ________,_________, and ______in the static water source

A

Accessibility, quantity of water available and quality of the water

81
Q

That is the vertical distance from the water level to the center of the fire pumper

A

Lift

82
Q

It is also wise to select a drafting site that allows water tenders in a shuttle operation to be filled without having to _____

A

Back up or turnaround

83
Q

Before you start supplying water to handlines, master streams, or a relay pumping operation, you will need to establish a

A

Dump line

84
Q

Most portable pumps will flow water at a maximum rate of _____ so using a dump line will not be possible

A

250 gpm

85
Q

A ______ involves moving tankers full of water from the fill site to the dump site with the empty tankers then returning to the fill site

A

Water shuttle operation

86
Q

Many tanks are equipped with two drains so that they can be hooked together; otherwise a ____ may be used to move the water from one tank to another

A

Jet siphon

87
Q

When only one tank is being used, the tanker operator must use care not to dump the water on or near the strainer, as introduction of the water creates ______ when it enters the tank

A

Air turbulence

Fire Appartus Driver Operator (18 decks)

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