ch 13 test quiz Flashcards
Which statement about positive-pressure ventilation is correct?
It should be used only if attack crews have access to all fire.
Which construction technique builds one floor at a time with a firestop between each floor?
Platform-frame
Which type of ventilation uses openings above the fire so that heat and smoke can escape the structure in an upward direction?
Vertical
Which type of building is the most prone to the stack effect?
High-rise
According to tests by 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.
Which is a disadvantage of positive-pressure fans?
They can spread fire if used improperly.
Where is water directed during hydraulic ventilation?
Out a window or door
Which item greatly increases risk during vertical ventilation operations?
Lightweight construction components
An offensive attack initiated by a quick, exterior, indirect attack into the fire compartment followed by an interior direct fire attack for final suppression is a(n) __________ attack.
transitional
Which hazard is of particular concern in a basement fire?
Failure of the floor system above the fire
All forms of ventilation that use fans or other powered equipment are classified as __________ ventilation.
mechanical
Which item is used in negative-pressure ventilation?
Smoke ejector
What must be done before beginning ventilation?
An attack crew must be ready to advance the hose line.
Positive-pressure ventilation is the least suitable approach for which situation?
Fire in structural void spaces
What are gusset plates?
Connecting plates made of a thin sheet of steel
