OPS 8-0 Positive Pressure Ventilation Flashcards
In positive pressure ventilation the fan should be placed approximately how many feet from the door?
A. 4
B. 2
C. 17
D. 6
D. 6
(should cover the whole door in a cone of air)
What is not a disadvantage of positive pressure ventilation?
A. An intact structure is required
B. Interior Carbon monoxide levels may be in creased
C. Heat and smoke may be directed away from unburned areas or paths of exit
D. Hidden fires may be extended
C. Heat and smoke may be directed away from unburned areas or paths of exit
If two fans of un equal size utilied in an in-line configuration, placed the larger fan about ____ feet back from the enterance and utilize the smaller fan behind the larger fan to cover the enterance opening with pressurized air.
A. 1
B. 2
C. 6
D. 17
B. 2
For large enterance openings, muliple fance in a ____ configuration should be utilized due to their combined ability to cover the wider opening with pressurized air.
A. In-line
B. Front to back
C. Diagonal
D. Side-by-side
D. Side-by-side
To ventilate an area without an exterior exhaust opening, use ____ fans.
A. 1
B. 2
C. 12
D.6
B. 2
One fan can be located outsdie the building to pressure the interior of the building. the second fan, placed in the bottom portion of the opening to the area to be ventilated,, will cause air within this area to move out through the upper portion of this opening. Once an exhaused opening is provided in the building, the contaminated air from the area being ventilated will be forced to the outside.
PPA may be considered for single family dwellings, or small commercial buildings under ____ sq. ft.
A. 2000
B. 5000
C. 10,000
D. 350
B. 5000
What is the accronym for PPA contraindication?
A. ASAP
B. AEIOU
C. SCBA
D. LUNA
B. AEIOU
(Attic fire, Exhaust opening is inadequate, Imminent rescue or Interior operations are underway, Over pressureized structure, Unable to locate fire)
