Question 1

When the natural flow of air currents and the currents created by the fire is insufficient to remove smoke, heat, and fire gases, what type of ventilation is necessary?

Accepted Answer

A)   Vertical
B)   Hydraulic
C)   Protected
D)   MechanicalE) A) and B)
F) A) and C)

Question 2

A small structure fire that requires ventilation consisting of opening doors and windows requires at minimum:

Accepted Answer

A)   two firefighters.
B)   three firefighters.
C)   four firefighters.
D)   five firefighters.E) B) and C)
F) C) and D)

Question 3

Which statement about tactical ventilation is MOST accurate?

Accepted Answer

A)   Tactical ventilation must be performed before fire attack.
B)   Tactical ventilation is implemented after the fire is confined.
C)   Tactical ventilation can be combined with fire attack to stabilize an incident.
D)   Tactical ventilation should not begin until the incident is stabilized.E) A) and D)
F) A) and C)

Question 4

The effect or lack of effect of fire streams indicates the size and extent of the fire when observing:

Accepted Answer

A)   heat.
B)   flame.
C)   smoke.
D)   air flow.E) B) and D)
F) None of the above

Question 5

Which of the following causes air flow?

Accepted Answer

A)   Combustion of interior finishings
B)   Introduction of oxygen into the burning materials
C)   Escape of gases and flames from burning materials
D)   Pressure differentials inside and outside compartmentE) None of the above
F) All of the above

Question 6

Which of the following weather conditions has the most influence on ventilation operations?

Accepted Answer

A)   Wind
B)   Precipitation
C)   Temperature
D)   Atmospheric pressureE) C) and D)
F) All of the above

Question 7

Tactical ventilation reduces fire damage in structures and limits water damage because it:

Accepted Answer

A)   focuses on the use of foam to fight interior fires.
B)   allows for the use of fire streams with lower pressures.
C)   increases speed with which interior fires can be extinguished.
D)   allows salvage operations to begin simultaneously with fire attack.E) A) and B)
F) None of the above

Question 8

Which of the following is a factor that reduces effectiveness of vertical ventilation?

Accepted Answer

A)   Trench cuts too small
B)   Personnel working ahead of the fire
C)   Fire streams directed into ventilation openings
D)   Improper location of the horizontal ventilation openingE) None of the above
F) B) and C)

Question 9

Why must the open areas around a smoke ejector be properly sealed?

Accepted Answer

A)   To prevent expelling fire gases from the building.
B)   To prevent air from recirculating back into the building.
C)   To prevent smoke from being exhausted through the roof.
D)   To prevent overheating of the smoke ejector and causing a fire.E) A) and B)
F) A) and C)

Question 10

To perform hydraulic ventilation, a fog nozzle should be set on a wide fog pattern to cover what percent of the opening through which the smoke will be drawn or pulled?

Accepted Answer

A)   15 to 20
B)   45 to 50
C)   55 to 60
D)   85 to 90E) B) and C)
F) All of the above

Question 11

Which of the following is a reason that modern construction may tend to contain fires for longer periods of time?

Accepted Answer

A)   Smaller lot sizes
B)   Energy efficient designs
C)   Increased fire load of decorative items
D)   Use of real wood and granite finishingsE) None of the above
F) B) and D)

Question 12

Use of smoke ejectors to expel smoke and draw fresh air into a structure is a use of:

Accepted Answer

A)   positive-pressure ventilation (PPV) 
B)   positive-exhaust ventilation (PEV) 
C)   negative-exhaust ventilation (NEV) 
D)   negative-pressure ventilation (NPV) E) B) and C)
F) A) and D)

Question 13

Which of the following factors determines the initial severity and extent of a fire?

Accepted Answer

A)   Adjacent exposures
B)   Number of responding units
C)   Availability of a water supply for suppression
D)   Activation of fire detection and suppression systemsE) A) and B)
F) A) and D)

Question 14

What factor makes high-rise fires life safety considerations an even higher priority?

Accepted Answer

A)   More windows
B)   Fewer windows
C)   More occupants
D)   Fewer occupantsE) A) and D)
F) C) and D)

Question 15

Which fire behavior indicator can provide an indication of interior fire conditions by observing its volume, location, color, density, and movement?

Accepted Answer

A)   Heat
B)   Smoke
C)   Flame
D)   Air flowE) A) and C)
F) A) and B)

Question 16

Which of the following may occur if the effects of horizontal ventilation are disturbed?

Accepted Answer

A)   Fire intensity increases
B)   Air currents are established
C)   Oxygen concentration decreases
D)   Structure becomes unpressurizedE) B) and C)
F) C) and D)

Question 17

Once an exhaust opening has been created, it is important that the cone of air from the blower:

Accepted Answer

A)   blows towards the fire.
B)   blows away from the fire.
C)   completely covers the doorway opening.
D)   completely blocks the doorway opening.E) C) and D)
F) A) and D)

Question 18

Velocity, turbulence, and direction are indicators of:

Accepted Answer

A)   flame.
B)   smoke.
C)   air flow.
D)   air pressure.E) All of the above
F) A) and B)

Exam 13: Tactical Ventilation

Why must the open areas around a smoke ejector be properly sealed?

Correct Answer
verified

Which of the following is a reason that modern construction may tend to contain fires for longer periods of time?

Correct Answer
verified

What factor makes high-rise fires life safety considerations an even higher priority?

Correct Answer
verified

A small structure fire that requires ventilation consisting of opening doors and windows requires at minimum:

Correct Answer
verified

Which of the following causes air flow?

Correct Answer
verified

Which of the following is a factor that reduces effectiveness of vertical ventilation?

Correct Answer
verified

Tactical ventilation reduces fire damage in structures and limits water damage because it:

Correct Answer
verified

Which statement about tactical ventilation is MOST accurate?

Correct Answer
verified

Velocity, turbulence, and direction are indicators of:

Correct Answer
verified

The effect or lack of effect of fire streams indicates the size and extent of the fire when observing:

Correct Answer
verified

Once an exhaust opening has been created, it is important that the cone of air from the blower:

Correct Answer
verified

Which of the following weather conditions has the most influence on ventilation operations?

Correct Answer
verified

To perform hydraulic ventilation, a fog nozzle should be set on a wide fog pattern to cover what percent of the opening through which the smoke will be drawn or pulled?

Correct Answer
verified

Which of the following may occur if the effects of horizontal ventilation are disturbed?

Correct Answer
verified

When the natural flow of air currents and the currents created by the fire is insufficient to remove smoke, heat, and fire gases, what type of ventilation is necessary?

Correct Answer
verified

Which fire behavior indicator can provide an indication of interior fire conditions by observing its volume, location, color, density, and movement?

Correct Answer
verified

Which of the following factors determines the initial severity and extent of a fire?

Correct Answer
verified

Use of smoke ejectors to expel smoke and draw fresh air into a structure is a use of:

Correct Answer
verified

Exam 13: Tactical Ventilation

Why must the open areas around a smoke ejector be properly sealed?

Correct AnswerverifiedShow Answer

Which of the following is a reason that modern construction may tend to contain fires for longer periods of time?

Correct AnswerverifiedShow Answer

What factor makes high-rise fires life safety considerations an even higher priority?

Correct AnswerverifiedShow Answer

A small structure fire that requires ventilation consisting of opening doors and windows requires at minimum:

Correct AnswerverifiedShow Answer

Which of the following causes air flow?

Correct AnswerverifiedShow Answer

Which of the following is a factor that reduces effectiveness of vertical ventilation?

Correct AnswerverifiedShow Answer

Tactical ventilation reduces fire damage in structures and limits water damage because it:

Correct AnswerverifiedShow Answer

Which statement about tactical ventilation is MOST accurate?

Correct AnswerverifiedShow Answer

Velocity, turbulence, and direction are indicators of:

Correct AnswerverifiedShow Answer

The effect or lack of effect of fire streams indicates the size and extent of the fire when observing:

Correct AnswerverifiedShow Answer

Once an exhaust opening has been created, it is important that the cone of air from the blower:

Correct AnswerverifiedShow Answer

Which of the following weather conditions has the most influence on ventilation operations?

Correct AnswerverifiedShow Answer

To perform hydraulic ventilation, a fog nozzle should be set on a wide fog pattern to cover what percent of the opening through which the smoke will be drawn or pulled?

Correct AnswerverifiedShow Answer

Which of the following may occur if the effects of horizontal ventilation are disturbed?

Correct AnswerverifiedShow Answer

When the natural flow of air currents and the currents created by the fire is insufficient to remove smoke, heat, and fire gases, what type of ventilation is necessary?

Correct AnswerverifiedShow Answer

Which fire behavior indicator can provide an indication of interior fire conditions by observing its volume, location, color, density, and movement?

Correct AnswerverifiedShow Answer

Which of the following factors determines the initial severity and extent of a fire?

Correct AnswerverifiedShow Answer

Use of smoke ejectors to expel smoke and draw fresh air into a structure is a use of:

Correct AnswerverifiedShow Answer

Correct Answer
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