Chapter 2 Flashcards
Standard for low, medium, high expansion foam
NFPA 11
Standard in fire fighting foam chemicals for class A fuels in rural, suburban, and vegetated areas
NFPA 1150
High expansion foam concentrates are used from ____ to _____ % concentrations
1 - 2.5
Class A foam concentrates are mixed in proportions of ____ to ___ %
0.1-1%
Class A
Fire attack and overhaul with standard fog nozzles
0.2-0.5%
Class A
Exposure protection with standard fog nozzles
0.5-1%
Class A
Most operations with air aspirating foam nozzles
0.3-1%
Class A
Most operations with a compressed air foam system
0.2-0.5%
Protein based foam concentrates usually degrade in ___ to ___ days
2-8
Synthetic foam concentrates degrade in ___ to ___ days
20-40
Today’s class B foam concentrates are mixed in proportions from ___ to ____ %
1-6
When employing AFFF, FFFP, or AR-AFFF solution on a hydrocarbon spill fire the discharge rate should equal ____ % of the area of the spill
10
Alcohol resistant fluoroprotein foam concentrate maintains its alcohol resistive properties for about ___ minutes
15
Emulsifiers should only be used with fuels that are ___ “ or less in depth
1
Foam tender tank capacities can range from _______gal-______gal
1500-8000
