Aqueous Film Forming Foam (AFFF), commonly known as ‘light water’, is especially suitable for fighting ()
A、oil fires in the engine room bilges
B、class B fires in paint lockers
C、any class D fire
D、all of the above
A、oil fires in the engine room bilges
B、class B fires in paint lockers
C、any class D fire
D、all of the above
A、Low viscosity index B、Low carbon forming tendencies C、High film strength D、High non-corrosive qualities
A、increase the liner area covered by the oil film B、maintain an oil film on the lower liner where scuffing is prevalent C、keep excess oil away from intake and exhaust ports D、help cushion piston skirt side thrust by providing a hydrodynamic oil wedge