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Chapter 29 Flashcards

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1
Q

Name the three types of anchors

A
  • Natural anchors
  • Structural anchors
  • Pseudo anchors
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2
Q

What are ‘P’ rated carabiners rated to?

A

“Personal use”

  • Major axis minimum strength 26.67 (27)kN
  • Minor axis minimum strength 7.33 kN
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3
Q

What are ‘G’ rated carabiners rated to?

A

“General Use”

  • Major axis minimum strength 40kN
  • Minor axis minimum strength 10.67kN
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4
Q

At Special rescue events the firefighter’s role is to help the special rescue unit, this may include:

A
  • Hazard control -
  • Equipment retrieval -
  • Support -
  • Crowd control -
  • Fire control -
  • Rescue practices -
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5
Q

A Special Rescue event may comprise of what types of situations?

A
  • -Structural collapse -
  • Trench Collapse -
  • Cave and Tunnel emergencies -
  • Water and Ice emergencies -
  • Elevator and Escalator emergencies -
  • Energized electrical line emergencies -
  • Agricultural emergencies
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6
Q

What are the basic elemental units of measurement for: -Length -Weight -Time -Temperature

A
  • Length- meter (m)
  • Weight- gram (g)
  • Time- second (s)
  • Temperature- kelvin (K)
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7
Q

What is the formula for: Speed

A

Speed= Distance/Time Unit= m/s

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8
Q

What is the formula for: Acceleration

A

Acceleration= (Distance/Time)/Time Unit= m/s2

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9
Q

What is the formula for: Force

A

Force= Mass x Acceleration Unit= Newton (N)

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10
Q

Applying the rounding up principle:

A one person load will equal ___?

A two person load will equal ___?

A

1 person= 1kN

2 person= 2kN

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11
Q

A rescuer working with any “Moving” rope must wear

A

Gloves

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12
Q

What is the rating of the Steel Triangular Screw link

A

Breaking strength: 44.03 kN

Weight: 153g

  • Constructed to withstand multidirectional forces
  • Used where a carabiner wouldbe subjected to multidirectional forces
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13
Q

List the names and ratings of the Steel and Aluminium Carabiners

A

“G” steel lite locking- 44.7kN, 173g- all rescue loads

“G” Large steel D locking- 50kN, 210g- all rescue loads

“P” Aluminium ‘P’ rated- 27kN, 73g- Personal connections only

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14
Q

Name and Rating of the PMP

A

Prusik Minding Pulley

Breaking strength 36kN

Weight 310g

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15
Q

Ratings of the Twin Prusik Minding Pulley

A

Breaking strength 45kN

Weight 580g

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16
Q

What are the ratings for the Mini- PMP

A

Breaking strength- 17kN

Weight- 80g

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17
Q

Rating for the 540 Rescue Belay

A

MBS- 36kN

Weight- 990g

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18
Q

Ratings of the Rescue Brake Bar

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A

MBS- 40kN

Weight- 500g

19
Q

Ratings of Rigging Plates

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A

MBS- 44.4kN

Weight- 638g

20
Q

Ratings of Swivels

21
Q

Rating of Yellow Plastic Basket Stretcher, with a stainless steel top rail

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A

Weight- 14kg

Size- 213cm x 60cm x 18cm

22
Q

What determines the need for a rope rescue

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A

Any event where a patient or rescuer has a possibility of a fall

23
Q

What unit of force is used to rate strength of equipment used by EFRS

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A

KiloNewton (kN)

24
Q

What is the formula to calculate the KiloNewton?

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A

F=m x a

F= kg x m/s2

25
'P' rated carabiners are rated at
26.67kN | (27kN)
26
'G' rated carabiners are rated at
40kN
27
What is the strongest part of the carabiner?
It's long (or major) axis
28
Why is it necessar to use padding over edges when performing a rope rescue?
The rope must be protected from damage during operation
29
Define natuarl anchors
The most common type of natural anchors are trees, large rocks, and outcroppings that can be wrapped with webbing or ropes.
30
Describe Structural anchors
A place of structural integrity such as major load bearing beams and billars, window washer anchros, window/door frames, roof scuppers etc.
31
Describe Pseudo anchors
These are anchor points that may be used as an anchor, but under certain conditions it may move.
32
What does the acronym IDEAS stand for?
* Integrity * Direction of force * Equalization and no Extension * Angles * System of Anchors
33
What are the three tests of a rescue system?
* White board analysis * Does the system function as intended? * How do you know for sure? * Critical points examination * are all points backed up by another system * could one point fail and cause a serious accident * Whistle test * if every rescuer let go of their system, would the system still protect the patient and the rescuer?
34
What does SSSF mean?
Static System Safety Factor
35
Name the equipment used to construct a proper anchor?
* Webbing * Rope * Industrial slings * Carabiners * Rigging plate * Swivel
36
What is the SSSF followed by EFRS?
10:1
37
Who on the team can call for a STOP?
Anyone * Everyone has the responsibility to call stop if they recognize a hazard. The team leader must inquire the reason for the stop.
38
Explain the I in IDEAS
Integrity * Integrity of anchor point * How is it rooted to ground/building * Does it have sufficient mass to suppor the force that may be applied to it?
39
Explain the D in IDEAS
Direction of force * Direction of the force of the load upon the anchor * anchor should be in line with the force being applied, or any anticipated direction of force
40
Define the A in IDEAS
Angles * Examine for Critical angles * These may cause failure in the system
41
Explain the E in IDEAS
Equalization and No Extension * Anchor legs should have equal tension * This shares the load * No Extension in the system * Extension is movement of the focal point. * Should one anchor leg fail there should not be any extension of the anchor legs causing high impact forces to be placed on teh remaining anchor point
42
What are the degrees of force on each leg of an anchor with a critical angle of: * 0 * 30 * 90 * 120 * 150 * 180
0 = 50% 30 = 52% 90 = 70% 120 = 100% 150 = 200% 180 = Infinite
43
Explain the S in IDEAS
System of Anchors * What type of anchor system is required * What are the advantages/disadvantages of the system

Fire (15 decks)

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