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Ventilation & Rescue > Vehicle Extrication > Flashcards

Vehicle Extrication Flashcards

0
Q

What’s the difference between manually and powered hydraulics?

A

Manually is hand powered and powered uses hydronic fluids through high pressure hoses

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1
Q

What are two ways rescue tools can be operated?

A

Manually or hydraulic

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2
Q

T/F

Can potable or carried tools be minted on a vehicle and powered by a hose reel line

A

True

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3
Q

What are the 4 types of powered hydraulic tools?

A

Spreaders
Shears
Combination
Extension rams

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4
Q

What was the first tool a available to fore and rescue?

A

Power spreaders

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5
Q

Spreaders are used for what?

A

Pushing and pulling

Produces tons of force spreads 32 inches

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6
Q

Shears are used for what?

A

Cutting
Tons of cutting force
7inches

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7
Q

Combination are used for what?

A

Pulling and pushing

Capabilities are less

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8
Q

Extension rams are used for what?

A

Primarily pushing
Closed it’s 3 ft open 5 ft
Tons of pushing force
Closing force is half that of the opening

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9
Q

What are two types of manual hydraulic tools?

A

Porta power
Hydraulic jack
Both are more time consuming

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10
Q

Hydraulic jacks are used for what?

A

Heavy lifting for shoring and stabilization lifts 20 tons

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11
Q

What is cribbing

A

Most common method for stabilizing objects
Wood and plastic
Common sizes 2x4 4x4 6x6

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12
Q

Why is plastic better than solid wood?

A

Doesn’t absorb fuel and oil and lasts longer

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13
Q

What are pneumatic tools?

A

Compressed air tools
Such as air chisels, air hammers, impact hammers
90- 250psi

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14
Q

Three most common drives for winches

A

Electric
Hydraulic
Power take off

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15
Q

Come alongs sizes

A

1 to 10 tons

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16
Q

What kind of chains are used for come alongs and winches?

A

Alloy steel

17
Q

What are three types of pneumatic lifting bags?

A

High
Medium
Low

18
Q

High pressure or small bags

A

20inches

Sizes 6x6 to 36x36

19
Q

Med and low pressure or big bags

A

Mostly for lift or stabilization

Lift 6ft

20
Q

What is a major safety rule for operating the air bags?

A

Don’t allow contact with materials hotter than 220 degrees

21
Q

What is the rule for lifting?

A

Lift and inch

Crib and inch

22
Q

What is the majority of rescue incidents?

A

Vehicle extractions

23
Q

Describe block and tackle

A

Block- wooden or metal frame for sheaves
Sheaves- pulleys
Tackle- the rope

24
Q

Who is primary for scene size up?

A

First responders

25
Q

What are important questions for scene size up?

A 
What are the traffic hazards and what can be done to control them? 
How many and type of vehicles? 
Vehicle positioning? 
How many victims and triage? 
Fire? 
Hazmat?
Utilities? 
Do we need additional resources?
26
Q

How many rescuers size up a vehicle?

A

One per unit

27
Q

There is an inner circle and outer circle who should check the inner?

A

Someone first aide or higher

28
Q

How do you prevent horizontal motion?

A

Chocks

29
Q

How do you avoid vertical motion?

A

Jacks, bags, cribbing

30
Q

When cribbing what is the most common method?

A

Box formation

31
Q

What are 3 ways to gain acess to a vehicle?

A

Normal means
Window
Cutting

32
Q

What are some additional hazards?

A

Oil
Fuel
High pressures tires
Trunk content

33
Q

Air bags deploy at what speed?

A

200 mph

34
Q

Electrically operated restraints can last on reserve energy for how long?

A

30 mins

35
Q

Packaging means?

A

Wounds have been dressed
Fractures splinted
Body immobilized

36
Q

Laminated safety glass is made of what?

A

Two sheets of glass bonded to a sheet of plastic

37
Q

Where is tempered glass is located?

A

Side windows and back window

Designed to shatter

38
Q

T/f

Always remove the front windshield when possible

A

False

Supports the structure

39
Q

Where are the following posts?

A B C

A

A- post front post
B- nearest posts from front doors
C- last posts

Ventilation & Rescue (2 decks)

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