FIrefighter I Chapter 13 Questions With Complete A+ Graded Answers
Which action is particularly dangerous when dealing with a ventilation-limited fire?
Creating exterior openings
3 multiple choice options
What does a neutral plane at a vent opening indicate?
equal pressure inside and outside the structure
3 multiple choice options
In which case does a larger vertical ventilation opening improve interior conditions better than a
smaller opening?
when coordinated with water application
3 multiple choice options
Which statement about positive-pressure ventilation is correct?
it should be used only if attack crews have access to all fire
3 multiple choice options
Which term means the spread of fire from one floor to another via exterior windows?
vertical fire extension
3 multiple choice options
What is the open space between the ceiling of the top floor and the underside of the roof of a
building
cockloft
3 multiple choice options
Which construction technique builds one floor at a time with a firestop between each floor.
platform-frame
3 multiple choice options
What does fast-moving smoke indicate?
very hot fire
, 3 multiple choice options
Which type of ventilation uses openings above the fire so that heat can escape the structure in
an upward direction?
Vertical
3 multiple choice options
For natural ventilation, which window should be opened first?
The downwind window
3 multiple choice options
Which type of building is the most prone to the stack effect?
High-rise
3 multiple choice options
According to tests conducted by UL, in order for ventilation to improve interior conditions, what
must occur?
Ventilation must be coordinated with the application of water as close to the fire as possible.
3 multiple choice options
Which problem can be caused by using doorways as ventilation openings?
It compromises personnel entry and exit.
3 multiple choice options
Which statement about the operation of HVAC equipment during fire ventilation operations is
correct?
Some HVAC systems can be used for clearing smoke.
3 multiple choice options
How can recirculation be eliminated during smoke ejection?
Completely block the opening around the fan.
3 multiple choice options
Which is a disadvantage of positive-pressure fans?
They can spread fire if used improperly.
Which action is particularly dangerous when dealing with a ventilation-limited fire?
Creating exterior openings
3 multiple choice options
What does a neutral plane at a vent opening indicate?
equal pressure inside and outside the structure
3 multiple choice options
In which case does a larger vertical ventilation opening improve interior conditions better than a
smaller opening?
when coordinated with water application
3 multiple choice options
Which statement about positive-pressure ventilation is correct?
it should be used only if attack crews have access to all fire
3 multiple choice options
Which term means the spread of fire from one floor to another via exterior windows?
vertical fire extension
3 multiple choice options
What is the open space between the ceiling of the top floor and the underside of the roof of a
building
cockloft
3 multiple choice options
Which construction technique builds one floor at a time with a firestop between each floor.
platform-frame
3 multiple choice options
What does fast-moving smoke indicate?
very hot fire
, 3 multiple choice options
Which type of ventilation uses openings above the fire so that heat can escape the structure in
an upward direction?
Vertical
3 multiple choice options
For natural ventilation, which window should be opened first?
The downwind window
3 multiple choice options
Which type of building is the most prone to the stack effect?
High-rise
3 multiple choice options
According to tests conducted by UL, in order for ventilation to improve interior conditions, what
must occur?
Ventilation must be coordinated with the application of water as close to the fire as possible.
3 multiple choice options
Which problem can be caused by using doorways as ventilation openings?
It compromises personnel entry and exit.
3 multiple choice options
Which statement about the operation of HVAC equipment during fire ventilation operations is
correct?
Some HVAC systems can be used for clearing smoke.
3 multiple choice options
How can recirculation be eliminated during smoke ejection?
Completely block the opening around the fan.
3 multiple choice options
Which is a disadvantage of positive-pressure fans?
They can spread fire if used improperly.
