Which of the listed burning materials would be described as a class "B" fire?
A.Acetylene
B.Lube oil
C.Grease
D.All of the above
第1题
A.be interrupted
B.move downwards
C.move outwards
D.retain original position
第2题
A.Oil Record Book Part I
B.Oil Record Book Part II
C.Oil Record Book Part I or Part II
D.Oil Record Book Part I and Part II
第3题
A.excessive cylinder lubrication
B.a lugging engine
C.a leaking cylinder liner
D.overloading of one cylinder
第4题
A.combustible material
B.ignition source
C.oxygen
D.A and B and C
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