A.threads are lubricated
B.nozzle is attached to the hose
C.female coupling has a gasket
D.hose is led out
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A.The supervisor in charge of the dock to which the barge is tied up
B.Part 38 of the Rules and Regulations for Tankers
C.The Certificate of Inspection of the barge
D.The local fire marshal
A.check valve installed in the line
B.shut off valve at a manifold near the pump
C.quick disconnect union within ten feet of the pump
D.regulator in the line set at 125 psi
A.Foam
B.Solid stream water nozzle
C.All-purpose nozzle
D.Carbon dioxide
A.over the top of the flames
B.off a bulkhead into the fire
C.in front of the fire
D.at the base of the fire
A.base of the flames，moving the horn from side to side，following the flames upward as they diminish
B.top of the flaming area，moving the horn from side to side，following the flames downward as they diminish
C.center of the flaming area，moving the horn vertically from top to bottom
D.bottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish
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