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Edmonton Fire PRECIS > Test 3 > Flashcards

Test 3 Flashcards

1
Q

What are the three main safety concerns at an MVC

A
  1. Rescue Personal, 2. Scene safety, 3. Patient safety
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2
Q

What are the 10 Events that occur during the “Golden Hour” ?

A
  1. Notification, 2.Dispatch, 3. Response, 4. Scene Stabilization, 5. Vehicle stabilization, 6. Patient extrication,7. Patient Packaging, 8. Patient Transport, 9. Stabilization in the ER, 10. Surgical intervention
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3
Q

After disconnecting the battery cable, what precaution must be taken to prevent accidental sparking?

A

Cover battery terminals with electrical tape

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4
Q

What are 5 Types of vehicle collisions?

A
  1. Head on collision
  2. T-Bone collision
  3. Rear -end collision
  4. Roll over
  5. Rotational
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5
Q

What are the three compartments of a motor vehicle?

A
  1. Passenger
  2. Cargo/Storage
  3. Engine
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6
Q

What are the sides of a vehicle?

A
  1. Driver’s side
  2. Passenger’s
  3. Front
  4. Rear
  5. Roof
  6. Under Carriage
  7. Inside
  8. Outside
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7
Q

What does a large bright coloured cable along the undercarriage of a vehicle indicate?

A

Hybrid Vehicle, High Voltage Cable (up to 650V)

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8
Q

Two Types of Glass usually involved in the construction of a vehicle?

A
  1. Safety

2. Tempered

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9
Q

What does the acronym C.B.R.N.E. stand for?

A 
Chemical
Biological
Radiological
Nuclear
Explosive
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10
Q

STEL is defined as the average amount of gas, measured in _______ a worker can be exposed to in a ____ minute period with no long term health effects. This may occur ____ times in a shift with ___ hour between exposures.

A

PPM
15
4
1

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11
Q

A TDG flammable liquid is any liquid that has a flash point below_____ .
(NFPA and WHMIS)

A
  1. 5 Degrees Celsius

37. 8 Celsius

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12
Q

List four signs of imminent BLEVE.

A
  1. Pressure relief device is working
  2. Pitch sound gets louder
  3. Pinging, popping and snapping sounds are heard
  4. Visible steam from tank upon cooling (100 C)
  5. Discolouration of shell and impingement
  6. A buldge or bubble indicates serious localized heating of vapour area
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13
Q

What are the four methods of foam proportioning?

A
  1. Induction
  2. Injection
  3. Batch- Mixing
  4. Premixing
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14
Q

What is the maximum pressure the regulator can be set at, for the Halmatro bags and how many can be stacked?

A

116 psi

2

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15
Q

What are the three basic operation modes at a Hazardous Material incident?

A
  1. Offensive
  2. Defensive
  3. Non intervention
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16
Q

List four ways Hazardous Material may enter the body?

A
  1. Injection
  2. Ingestion
  3. Inhalation
  4. Absorbtion
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17
Q

What are three ways that contamination can pass through a chemical protective suit?

A
  1. Permeation
  2. Penetration
  3. Degredation
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18
Q

What are three forms of foam application techniques.

A

Bank down
Rain down
Roll on

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19
Q

List the classification of each Class of Hazardous Material of the TDG and the number of divisions in each class?

A

Class 1: Explosives (6)
Class 2: Gases (3)
Class 3: Flammable Liquids (0)
Class 4: Flammable Solids (3)
Class 5: Oxidizers and organic peroxides (2)
Class 6: Toxic Substances and infectious Substances (2)
Class 7: Radioactive Materials (0)
Class 8: Corrosives (0)
Class 9: Miscellaneous Dangerous Goods (0)
Add: Mixed Loads, Fumigation Hazard, Marine Pollutant

20
Q

What is the acronym used to mitigate a dangerous material incident and what does each letter stand for?

A 
H_Hazard Identification
A_Action Plan
Z_Zoning
M_Manage the Scene
A_Assistance
T_Termination
21
Q

What are the five items that a shipping document should include?

A
  1. Emergency contact Number
  2. Number of Pkgs. shipped
  3. Shipping Name
  4. Hazard or Class#
  5. 4 digit U.N. #
22
Q

Associate the colour code of the ERG with the information it supplies!

A

White Pages : General and Contact information
Yellow : ID # Index
Blue : alphabetical material index
Orange : action guides
Green : initial isolation and protective action distances

23
Q

List four Weather behaviors that will influence the behavior of wildland fire.

A
  1. Relative Humidity
  2. Temperature
  3. Precipitation
  4. Wind
24
Q

13 gases lighter than Air?

A
  1. Hydrogen 8. Illuminating Gasses
  2. Helium 9. Carbon Monoxide
  3. Hydrogen Cyanide 10. Acetylene
  4. Hydrogen Fluoride 11. Neon
  5. Methane 12. Nitrogen
  6. Ethylene 13. Anhydrous Ammonia
  7. Diborane
25
Q

The sensors installed on the EFRS rescues MX 4 activate the high and low alarm as follows.

A

O2 : low 19.5%, High 23% Range 0-30%
CO : Low 25PPM, High 50PPM, 0-500PPM
H2S: Low 10PPM, High 15PPM, 0-500PPM
LEL : Low 10%, High 20%, 0-100%, 0-9999PPM

26
Q

Solid Streams are affected by?

A

Wind
Friction
Gravity

27
Q

5 factors that affect the fog stream?

A 
Wind
Friction
Gravity
Velocity
Pattern
28
Q

Visual indicators of a properly applied fire stream?

A

Rapid Temperature Fluctuations
darkening down
white smoke/ white steam
decreased visibility

29
Q

Carbon monoxide ignition Temp., LEL and UEL?

A

610C
12.5%
74%

30
Q

What are the tactical priorities after a hazmat is identified?

A
  1. Rescue
  2. Protection of exposures
  3. Fire suppression
  4. Confinement
  5. Containment
  6. Recovery
31
Q

When and Why stabilize a vehicle?

A

Stabilize once scene and extrication needs are assessed!

stabilize involved vehicles to prevent:
- further injury to victims
- damage to vehicles
- potential injury to rescuers
———————————————————————–
Never shake or test stability of vehicles
Always stabilize prior to entry

32
Q

What is Vapor Density?

A

Vapor Density describes the density of gases in relation to air!
Air has been assigned a vapor density of 1.
Gases with a vapor density of less than 1 will rise,
while those having a VD greater than 1 will sink.
—————————————————————————–
These densities presume that the gas and air are at the same temperature! (generally specified as 68 F)

33
Q

Defensive technique options to confine hazardous material?

A
  1. Absorption
  2. Adsorption
  3. Burning off
  4. Confinement
  5. Dilution
  6. Vapor dispersion
  7. Vapor suppression
  8. Remote shut off valve
34
Q

4 precursors for a potential flashover?

A
  1. Free Burning
  2. High Temp.
  3. Heavy Dark Smoke
  4. Roll over
35
Q

4 Solid stream advantages?

A
  1. Greater visibility
  2. Better reach
  3. Reduced nozzle Pressure
  4. Normal thermal layering is less likely to be disturbed during interior structural attack, thus increasing your personal safety
36
Q

Consider at least four ways to identify the material and risks you are facing?

A
  1. Location & Occupancy
  2. Placards, Labels and Markings
  3. Container shapes
  4. Your Senses
37
Q

List three responsibilities of an Operational Level Responder?

A
  1. recognize certain types of containers and storage vessels
  2. identify the material inside
  3. give this information to the Incident Command or HAZMAT Team
38
Q

What 9 sections can be found on all MSDS?

A
  1. Product identification and use
  2. Hazardous ingredients
  3. Physical Data (state, boiling points, specific gravity, etc.)
  4. Fire and Explosion Data
  5. Reactivity Data (Stability of the material)
  6. Toxicological properties
  7. Preventive measures
  8. First Aid Measures
  9. Preparation information (source of information, phone number, date)
39
Q

Explain LEL and UEL!

A

LEL can be defined as the lowest concentration of combustible or flammable gas in the air that will support combustion.
UEL= highest concentration
———————————————————
The range of vapour mixture that will ignite when subjected to an ignition source is known as explosive range or ignitable mixture.

40
Q

4 factors that effect flashover?

A
  1. Insulation
  2. Ventilation
  3. Height of the ceiling
  4. Size of the compartment
41
Q

Background colours for Hazmat?

A
  1. Red = flammable
  2. Orange = explosive
  3. Yellow = oxidizers
  4. Green = compressed gases, but non-flammable, non-toxic
  5. Blue = reactive
  6. Black = corrosive
  7. White = Toxic or infectious
42
Q

Three steps to generate and use foam?

A
  1. Proportioning
  2. Foam generation
  3. Distribution
43
Q

Disentanglement can include one or all of the following?

A
  1. Displacement
  2. Distortion
  3. Dis-assembly
  4. Severance
44
Q

What are the responsibilities of the RIC-Crew?

A
  1. Establish RIC-Tarp in staging area, located outside the hazard area.
  2. continue Size Up the structure for potential issues
  3. Determine potential egress points!
    Ladder if necessary and place activated strobe pucks in the exits.
45
Q

5 characteristics of flammable gases?

A
  1. Pressure
  2. Diffusity (tendency to spread freely)
  3. Low boiling points
  4. Colourless and/or Odourless
  5. Creates static electricity when flowing
46
Q

Define:

  1. TIH
  2. Initial Isolation Distance
  3. Protective Action Distance
A
  1. Gases or volatile liquids that are toxic when inhaled!
    Includes certain warfare agents and water reactive materials which produce toxic gases upon contact with water.
  2. Initial isolation distance is the distance (radius) which defines a circle in all directions from the actual spill/ leak source.
  3. Protective action distance is the downwind distance from the actual spill/leak source within which protective actions could be implemented.

Edmonton Fire PRECIS (34 decks)

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