A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
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A.gas freed
B.inerted
C.filled with water
D.all of the above as necessary
A.Static electricity
B.An open running electric motor
C.Loose wiring
D.Explosion proof lights
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
A.convection
B.conduction
C.radiation
D.direct contact
A.class "A" fire
B.class "B" fire
C.class "C" fire
D.class "D" fire
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