A.contain flammable fumes B.protect firefighters from flames C.prevent flames from entering tanks D.keep flames and sparks from getting out of an engine's exhaust system
A.utilizing carbon dioxide or dry chemical fire extinguishers B.utilizing soda and acid fire extinguishers C.blowing the flames out D.letting it burn itself out
A.it provides cooling as a secondary effect B.works well on extinguishing electrical fires C.can be used to combat combustible metal fires D.All of the above
A.cooling B.chemical action C.smothering D.inerting the air
A.CO2 B.fresh air C.the tested compartment's air D.water
A.By cooling the oil below the ignition temperature B.By removing the fuel source from the fire C.By excluding the oxygen from the fire D.By increasing the weight of the oil
A.contaminating food with extinguishing agent B.spreading through the engineering space C.causing loss of stability D.a grease fire in the ventilation system
A.Conduction of heat to adjacent surfaces B.Direct radiation C.Convection D.All of the above
A.crewman's duty list B.Certificate of Inspection C.shipping articles D.muster list
A.smoke sensors B.the difference in thermal expansion of two dissimilar metals C.pressure loss due to air being heated D.an electric eye which actuates when smoke interferes with the beam
