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Fire Lt. Test 2014 > OG 5.23 Ventilation > Flashcards

OG 5.23 Ventilation Flashcards

1
Q

Today the time from ignition to flashover is __ times faster than legacy homes of the past.

A

30 times faster

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2
Q

Command should always consider ventilation for what purpose before fire control property conservation?

A

Life safety

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3
Q

The rate at which energy is released by the burning of the fuel and oxygen mixture is known as what?

A

(HRR) Heat Release Rate

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4
Q

A fire in which the HRR or growth of the fire is slowed because the fire is consuming the available oxygen and no new oxygen is entering the fire area is known as what?

A

Ventilation limited fire

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5
Q

What is the radio terminology used to let the ventilation team know it’s an appropriate time to break the selected window?

A

“Take glass”

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6
Q

What side of the house is upwind from the intended ventilation point?

A

Windward side

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7
Q

The side of the house that is downwind from the intended ventilation point is called what?

A

Leeward side

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8
Q

What are the primary responsibilities of the first due truck company on the box alarm?

A

Life safety

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9
Q

If a first due truck determines that vertical ventilation is needed for life safety, What do they need to do?

A

Announced that over the radio so the second truck can change their priorities in route.

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10
Q

What is the suggested tool complement for the “irons firefighter?”

A
  1. Entry set
  2. Pick headed axe
  3. other forcible entry tool
  4. search rope
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11
Q

What is the suggested tool complement for the “hook firefighter?”

A
  1. 6 foot hook
  2. TIC
  3. Pick headed axe
  4. water extinguisher
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12
Q

What is the suggested tool complement for the apparatus operator (AO)?

A
  1. TIC
  2. pick headed axe
  3. ladder to reach upper floors
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13
Q

What is the suggested tool complement for the outside vent firefighter (OV)?

A
  1. 6’ roof hook
  2. Pick headed axe
  3. second ladder to reach upper floors
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14
Q

Typically, tiller trucks will assign the officer and inside firefighter to what positions?

A

Inside team duties:
Officer “hook”
Firefighter “irons”

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15
Q

On a tiller truck, the tiller driver will be on the outside team with the apparatus operator and will be assigned to what position?

A

Outside Vent (OV)

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16
Q

On what three types of trucks will the officer and apparatus officer be assigned the outside team?

A
  1. tower trucks
  2. ariel platforms
  3. straight ladder trucks
17
Q

What are the three operational modes for the first arriving truck company?

A
  1. All in for search
  2. All out for ventilation
  3. Splitting
18
Q

An oxygen deprived fire is usually indicated by what sign?

A

Heavy Black smoke

19
Q

What is the best way to control a low-pressure vent point?

A

Door control

20
Q

All ventilation must be coordinated with what two teams?

A

Command

Interior crews

21
Q

If possible, ventilation openings should be placed where in comparison to operating hoselines?

A

Opposite hoselines

22
Q

What should never be created behind an advancing hoseline?

A

ventilation openings

23
Q

Any ventilation opening must be preceded by what?

A

Verbal Radio communications to coordinate.

24
Q

What are two signs confirming water is being applied to the fire area prior to ventilating?

A

Audible indications - hose streams hitting the walls

Dark smoke turning into steam

25
Q

What are the two types of natural

Ventilation?

A

Horizontal and vertical

26
Q

What are the three types of forced ventilation?

A
  1. Negative pressure
  2. positive pressure
  3. Hydraulic
27
Q

Natural vertical ventilation holes can be placed in what three areas?

A

Skylights
Roof vents
Roof doors

28
Q

When working on lightweight construction buildings firefighters must never ventilate where?

A

Directly over the fire

29
Q

What are four smoke conditions we need to be observant about?

A

Volume
velocity
density
color

30
Q

When looking for a place to ventilate a roof, if there are no indicators as to fire location, what can be used while traversing the roof?

A

Smoke indicator holes

31
Q

What is the proper placement of a horizontal ventilation opening?

A

Opposite side of the fire from the advancing hoseline

32
Q

When trying to decide where to horizontally ventilate what can you notice about the windows that can help you place your opening?

A

Temperature and color of windows

33
Q

At a fire, the apparatus operator can obtain information from bystanders including what three things:

A
  1. Location of the fire
  2. Number of possible victims
  3. Easiest route to the fire/victims
34
Q

Which position will generally “take glass”?

A

Outside vent firefighter

35
Q

Which firefighter position will generally force entry and control the door?

A

Irons firefighter

36
Q

Which position carries the water extinguisher?

A

Hook firefighter

Fire Lt. Test 2014 (102 decks)

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