Essentials of Fire Fighting 7th Edition -
Chapter 11 Tactical Ventilation
Questions and Complete Solutions
Graded A+
What is an example of mechanical horizontal ventilation?
A. Creating openings on the windward and leeward side
B. Using a fan to create positive pressure inside a structure
C. Making long trench cuts on the roof for defensive operations
D. Using power tools to make as many exhaust openings as possible - Answer: B. Using a fan to create
positive pressure inside a structure
Chapter 11 - page 507
When ventilating windowless buildings:
A. The normal HVAC system should be kept running or turned on
B. The best option will be to cut openings in the walls and/or roofs
C. Mechanical ventilation is generally ineffective in removing hot gases and smoke
D. HVAC systems need to be brought under fire department control as soon as possible - Answer: D.
HVAC systems need to be brought under fire department control as soon as possible
Chapter 11 - page 525
Never direct a __________ a horizontal exhaust opening when interior attack crews are inside the
structure because it will force smoke, heat, and steam toward them.
A. Fog stream into
,B. Solid stream into
C. Fog stream out of
D. Solid stream out of - Answer: A. Fog stream into
Chapter 11 - page 507
Firefighters should never direct a fog stream into a vertical exhaust opening when:
A. Flames can be seen through the opening
B. Black smoke is coming from the opening
C. Interior attack crews are inside the structure
D. Other openings in the structure already exist - Answer: C. Interior attack crews are inside the
structure
Chapter 11 - page 516
What type of fires would likely cause firefighters to have to descend through intense rising heat and
smoke to get to the seat of the fire if ventilation is not effective?
A. Garage fires
B. High rise fires
C. Basement fires
D. Commercial structure fires - Answer: C. Basement fires
Chapter 11 - page 522
The two primary types of inspection holes cut in roofs are the kerf cut and the:
A. Trench cut
, B. Square cut
C. Louver cut
D. Triangle cut - Answer: D. Triangle cut
Chapter 11 - page 518
What is a safety precaution that should be observed during vertical ventilation?
A. Remain on the roof after ventilation work is completed
B. When using a power saw, make sure that the angle of the cut is away from the body
C. Do not start a power saw on the ground; ensure operation once it has been brought to the roof
D. When operating from aerial ladder platforms, the floor of the platform should be slightly below roof
level - Answer: B. When using a power saw, make sure that the angle of the cut is away from the body
Chapter 11 - page 515
In what type of scenario would the IC order firefighters to create a trench cut?
A. Only a minimal amount of personnel are available
B. The main body of the fire is too large to extinguish
C. The fire is reasonably contained within a single compartment
D. Ventilation needs to be completed quickly and with little risk - Answer: B. The main body of the fire is
too large to extinguish
Chapter 11 - page 520
What is the BEST description of how to conduct inspection and maintenance of ventilation equipment?
A. Follow manufacturer instructions for inspecting and maintaining power tools
Chapter 11 Tactical Ventilation
Questions and Complete Solutions
Graded A+
What is an example of mechanical horizontal ventilation?
A. Creating openings on the windward and leeward side
B. Using a fan to create positive pressure inside a structure
C. Making long trench cuts on the roof for defensive operations
D. Using power tools to make as many exhaust openings as possible - Answer: B. Using a fan to create
positive pressure inside a structure
Chapter 11 - page 507
When ventilating windowless buildings:
A. The normal HVAC system should be kept running or turned on
B. The best option will be to cut openings in the walls and/or roofs
C. Mechanical ventilation is generally ineffective in removing hot gases and smoke
D. HVAC systems need to be brought under fire department control as soon as possible - Answer: D.
HVAC systems need to be brought under fire department control as soon as possible
Chapter 11 - page 525
Never direct a __________ a horizontal exhaust opening when interior attack crews are inside the
structure because it will force smoke, heat, and steam toward them.
A. Fog stream into
,B. Solid stream into
C. Fog stream out of
D. Solid stream out of - Answer: A. Fog stream into
Chapter 11 - page 507
Firefighters should never direct a fog stream into a vertical exhaust opening when:
A. Flames can be seen through the opening
B. Black smoke is coming from the opening
C. Interior attack crews are inside the structure
D. Other openings in the structure already exist - Answer: C. Interior attack crews are inside the
structure
Chapter 11 - page 516
What type of fires would likely cause firefighters to have to descend through intense rising heat and
smoke to get to the seat of the fire if ventilation is not effective?
A. Garage fires
B. High rise fires
C. Basement fires
D. Commercial structure fires - Answer: C. Basement fires
Chapter 11 - page 522
The two primary types of inspection holes cut in roofs are the kerf cut and the:
A. Trench cut
, B. Square cut
C. Louver cut
D. Triangle cut - Answer: D. Triangle cut
Chapter 11 - page 518
What is a safety precaution that should be observed during vertical ventilation?
A. Remain on the roof after ventilation work is completed
B. When using a power saw, make sure that the angle of the cut is away from the body
C. Do not start a power saw on the ground; ensure operation once it has been brought to the roof
D. When operating from aerial ladder platforms, the floor of the platform should be slightly below roof
level - Answer: B. When using a power saw, make sure that the angle of the cut is away from the body
Chapter 11 - page 515
In what type of scenario would the IC order firefighters to create a trench cut?
A. Only a minimal amount of personnel are available
B. The main body of the fire is too large to extinguish
C. The fire is reasonably contained within a single compartment
D. Ventilation needs to be completed quickly and with little risk - Answer: B. The main body of the fire is
too large to extinguish
Chapter 11 - page 520
What is the BEST description of how to conduct inspection and maintenance of ventilation equipment?
A. Follow manufacturer instructions for inspecting and maintaining power tools
