A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?()

A . The aluminum will provide greater resistance to the spread of fire by conduction B . The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals C . If the superstructure is stressed,an aluminum structure requires additional expansion joints to prevent fracture D . The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosio

时间:2022-10-13 02:58:52 所属题库:探火与消防设备题库

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