VDFP FF1
What is the open space between the ceiling of the top floor and the underside of the roof of a building?
- Answer -Cockloft
Which statement about hydraulic ventilation is correct? - Answer -Hydraulic ventilation effectively
moves large volumes of smoke and heat.
Which term means the spread of fire from one floor to another via exterior windows? - Answer -leap
frogging
Which item is used in negative pressure ventilation? - Answer -smoke ejector
In ordinary construction exterior walls are made of - Answer -noncombustible or limited-combustible
materials
Which type of building is the most prone to the stack effect - Answer -high rise
How do heated gases move in a room? - Answer -They rise to the ceiling and spread outward
What is a characteristic of bowstring trusses? - Answer -Prone to sudden collapse in fire conditions
, All forms of ventilation that use fans or other powered equipment are classified as __ ventilation -
Answer -mechanical
When ventilating the basement, where is the preferred location to ventilate? - Answer -The point
farthest away from the entrance used by the fire attack
Which statement about positive pressure ventilation is correct? - Answer -It should be used only if attack
crews have access to all fire
In which construction type are there uninterrupted channels in the walls from foundation to attic? -
Answer -Balloon frame
Which statement summarizes the overall effect of negative-pressure ventilation? - Answer -It pulls
smoke out
What is the term for the transfer of heat through a circulating medium of liquid or gas? - Answer -
convection
Which statement about the operation of HVAC equipment during fire ventilation operations is correct? -
Answer -Some HVAC systems incorporate features that are useful for clearing smoke
How can churning be eliminated during smoke ejection? - Answer -Completely block the opening around
the fan
Which action should be avoided when performing horizonal ventilation? - Answer -Opening upward
windows first
What is the preferred method to ventilate a large building? - Answer -Individual ventilation of interior
compartments
Which structural component is composed of relatively small and lightweight components arranged in a
series of triangles? - Answer -Truss
What is the open space between the ceiling of the top floor and the underside of the roof of a building?
- Answer -Cockloft
Which statement about hydraulic ventilation is correct? - Answer -Hydraulic ventilation effectively
moves large volumes of smoke and heat.
Which term means the spread of fire from one floor to another via exterior windows? - Answer -leap
frogging
Which item is used in negative pressure ventilation? - Answer -smoke ejector
In ordinary construction exterior walls are made of - Answer -noncombustible or limited-combustible
materials
Which type of building is the most prone to the stack effect - Answer -high rise
How do heated gases move in a room? - Answer -They rise to the ceiling and spread outward
What is a characteristic of bowstring trusses? - Answer -Prone to sudden collapse in fire conditions
, All forms of ventilation that use fans or other powered equipment are classified as __ ventilation -
Answer -mechanical
When ventilating the basement, where is the preferred location to ventilate? - Answer -The point
farthest away from the entrance used by the fire attack
Which statement about positive pressure ventilation is correct? - Answer -It should be used only if attack
crews have access to all fire
In which construction type are there uninterrupted channels in the walls from foundation to attic? -
Answer -Balloon frame
Which statement summarizes the overall effect of negative-pressure ventilation? - Answer -It pulls
smoke out
What is the term for the transfer of heat through a circulating medium of liquid or gas? - Answer -
convection
Which statement about the operation of HVAC equipment during fire ventilation operations is correct? -
Answer -Some HVAC systems incorporate features that are useful for clearing smoke
How can churning be eliminated during smoke ejection? - Answer -Completely block the opening around
the fan
Which action should be avoided when performing horizonal ventilation? - Answer -Opening upward
windows first
What is the preferred method to ventilate a large building? - Answer -Individual ventilation of interior
compartments
Which structural component is composed of relatively small and lightweight components arranged in a
series of triangles? - Answer -Truss
