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2022 - FIRE FIGHTER I & II - JDS > CHAPTER 10 - SCENE LIGHTING > Flashcards

CHAPTER 10 - SCENE LIGHTING Flashcards

1
Q

Portable device for generating auxiliary electrical power.

A

Generator

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2
Q

Mechanism that allows a vehicle engine to power equipment such as a pump, winch, or portable tool; it is typically attached to the transmission

A

Power take off system

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3
Q

Step up transformer that converts a vehicles 12 or 24 volt dc current into 110 or 220 volt av current

A

Inverter

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4
Q

Describes equipment that is approved for use in flammable atmospheres.

A

Intrinsically safe

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5
Q

Device designed to protect against electrical shock.

A

Ground fault circuit interrupter

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6
Q

Electrical generators are the most common power source used by emergency services personnel. True or false?

A

True

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7
Q

Vehicle mounted generators produce less power than portable units. True or false?

A

False - they produce more power

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8
Q

Lighting equipment can be divided into three categories. True or false?

A

False - two: portable and fixed

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9
Q

Fixed lights are used to provide overall lighting of the emergency scene. True or false?

A

True

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10
Q

All auxiliary electrical equipment must be waterproof, intrinsically safe, and designed for the amount of electrical current it is intended to carry. True or false?

A

True

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11
Q

Junction boxes provide a connection supplied through multiple inlets from a power source. True or false?

A

False - they supply multiple outlets from one power source

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12
Q

Vehicle mounted generators produce more power than portable units. True or false?

A

True

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13
Q

Fixed lights are used to light remote areas of the incident scene. True or false?

A

False

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14
Q

Only junction boxes and adapters are required to be waterproof; other auxiliary electrical equipment may not need to be. True or false?

A

False

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15
Q

What is the most common source of power used by emergency services personnel?

A

Electrical generators

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16
Q

Incident in which trapped victim must be removed from a vehicle or other type of machinery

A

Extraction

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17
Q

High temp luminous electric discharge across a gap or through a medium such as charred insulation.

A

Arc

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18
Q

Preventing unwanted movement; accomplished by supporting key places between an object and the ground

A

Stabilization

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19
Q

Block placed against the outer curve of a tire to prevent the apparatus from rolling; can be wooden, plastic, or metal.

A

Wheel chock

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20
Q

Wooden or plastic blocks used to stabilize a vehicle extraction or debris following a structural collapse

A

Cribbing

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21
Q

Device that takes up slack in a seatbelt; prevents the passenger from being thrown forward in the event of a crash.

A

Pre-tensioner

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22
Q

Post between the front and rear doors on a four-door vehicle, or the door handle end post on a two door car

A

B post

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23
Q

Two sheets of glass laminated to a sheet of plastic sandwiched between them; the plastic layers make the glass stronger and more shatter resistant

A

Safety glass

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24
Q

Treated glass that is stronger then plate glass or a single sheet of laminated glass; safer than regular glass because it crumbles into chunks when broken

A

Tempered glass

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25
Q

Bolt in a vehicle’s door frame that the door latches onto in order to close

A

Nader pin

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26
Q

Method of automobile construction in which the frame and the body form one integral unit; used in most modern cars

A

Unibody construction

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27
Q

Steel used in vehicle construction whose exterior has been heat treated,making it harder than the interior metal

A

Case hardened steel

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28
Q

Collapse that occurs after the initial collapse of a structure; common causes include aftershock, weather conditions, and the movement of structural members

A

Secondary collapse

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29
Q

Abnormally low body temperature

A

Hypothermia

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30
Q

Wall like concrete structure across a river or stream that is designed to back up water; allows water to flow over the crest and drop into a lower level

A

Low head dam

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31
Q

Device used to secure a machines power switches in order to prevent accidental restart of the machine

A

Lock out/tag out device

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32
Q

Electrical field that radiates outward from where the current enters the ground; it’s intensity dissipates rapidly as the distance increases from the point of entry

A

Ground gradient

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33
Q

Electric rescue tools may be less powerful than those with other power sources. True or false?

A

False – they are more powerful than battery operated

34
Q

Most electric rescue tools our vehicle repair tools adapted to fire service use. True or false?

A

True

35
Q

Jack’s should always be placed on a flat level surface. True or false?

A

True

36
Q

Real chocks can hold the vehicle and place on a 20 to 25% grade. True or false?

A

False - 10 to 15% grade

37
Q

Synthetic fiber cable used for winches is not as strong as steel cable. True or false?

A

False – synthetic fiber is stronger

38
Q

Firefighters should only use recommended types of lubricants, hydraulic fluids, and fuel grades when performing maintenance on rescue tools. True or false?

A

True

39
Q

During vehicle extraction, it may be necessary to activate foam generating systems and deploy several charged lines. True or false?

A

True

40
Q

A buttress tension system is used to stabilize vehicles that are upside down or lying on a side. True or false?

A

True

41
Q

Seatbelt pre-tensioners lock before a crash to prevent further travel. True or false?

A

False – during a crash

42
Q

Firefighters can use duct tape to form candles that will help carry or control broken glass. True or false?

A

True

43
Q

When removing a vehicle roof, always place a step chock under the A post. True or false?

A

False – under B post

44
Q

The next priority after stabilizing the incident scene is to establish seen security. True or false?

A

False – the next priority is to provide basic patient care

45
Q

Confined space rescue operations may take place in a location that is designed for continuous occupancy. True or false?

A

False - is not designed for continuous occupancy

46
Q

When at water rescue operations assisting technical teams, firefighters may wear structural PPE for warmth. True or false?

A

True

47
Q

During wilderness rescue operations in hot climates, wearing structural PPE for protection is recommended. True or false?

A

False – PPE is not recommended

48
Q

The handrails and steps of an escalator move at different rate. True or false?

A

False - they move at the same rate

49
Q

Which rescue tool ensures that the vehicle or structural member will not move during rescue?

A

Stabilizing

50
Q

Which rescue too is used for dragging away material to free victim

A

Pulling

51
Q

What rescue tool is used to remove materials or debris to free a victim?

A

Cutting

52
Q

What rescue tool is used for securing materials in place or breaking up materials to free a victim?

A

Other activities

53
Q

What rescue too is used for raising vehicle, vehicle component, or structural member off victim or raising victim out of a space?

A

Lifting

54
Q

Which cutting tool can have large toothed blades used for rough cuts or fine toothed blades for precision cuts

A

Rotary saw

55
Q

Cutting tool often used for delicate cutting operations

A

Whizzer saw

56
Q

Cutting tool that operates at pressures between 90 and 250psi

A

Air chisel

57
Q

Cutting tool that is versatile, lightweight, and is available in a battery operated model.

A

Circular saw

58
Q

Cutting tool that has a short, straight blade that moves in and out?

A

Reciprocating saw

59
Q

Stabilizing tool that is the least stable of this type of tool, also known as high lift.

A

Ratchet lever jack

60
Q

Stabilizing tool designed for heavy lifting, used to tighten opposing members in shoring system

A

Hydraulic jack

61
Q

Stabilizing tool that can hold a vehicle in place on a 10 to 15 percent grade

A

Wheel chocks

62
Q

Stabilizing tool that consists of wooden or plastic blocks of varying lengths

A

Cribbing materials

63
Q

Stabilizing tool that uses threaded stem component system to operate, primarily used to hold object in place

A

Bar screw jack

64
Q

Stabilizing tool arrangement of at least three 4x4 posts wedged between the ground and vehicle.

A

Buttress tension system

65
Q

Stabilizing tool that has two swivel foot plates that adjust on a threaded system, replace wooden cross braces during rescue.

A

Trench screw jack

66
Q

What should be consulted if a problem is found during routine maintenance of a generator?

A

The manual

67
Q

Which devices powers most powered rescue tools

A

Hydraulic pumps

68
Q

What tool uses paint on the ends of blocks to indicate length

A

Cribbing material

69
Q

What is a disadvantage of plastic cribbing

A

It may slip under wet conditions

70
Q

What can be used to supplement chocks during vehicle stabilization

A

Operable mechanical system in the vehicles

71
Q

What is a disadvantage of using a lifting jack

A

It is time consuming to place

72
Q

What is a possible disadvantage for using pneumatic lifting bags?

A

Bags can be damaged or jarred loose

73
Q

What best describes how to disconnect the electrical system in a hydraulic vehicle

A

Just the same as in a conventional vehicle

74
Q

What passenger safety system can deploy even after the battery has been disconnected

A

Supplemental passenger restraint systems

75
Q

What passenger dafter system comes in two main types: window curtains and inflatable tubes?

A

Head protection systems

76
Q

Which passenger safety system will deploy if the vehicle becomes weightless for at least 80 milliseconds

A

Extendable rollover protection systems

77
Q

What method of gaining access to victims is used after a front end collision when victims are pinned under the steering wheel?

A

Displacing the dashboard

78
Q

All emergency services personnel working the incident are able to access the:

A

Hot zone

79
Q

What type of structural collapse pattern occurs when one outer wall fails while the opposite wall remains intact?

A

Lean-to

80
Q

When using the OATH method or communication during confined space rescue, what does three tugs stand for?

A

T - Take up slack

81
Q

What type of device fits the following characteristics: similar to freight, temporary instillation?

A

Construction elevator

82
Q

What type of technical rescue involves physical hazards such as smoke, electrified rails, and standing water or other fluids?

A

Tunnel rescue

2022 - FIRE FIGHTER I & II - JDS (29 decks)

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