Deck: Safety

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

Tip: press A-D to answer