Building Materials

Q1: Galvanising means covering iron with a thin coat of

A tin

B zinc

C glaze

D coal tar.

ANS:B - zinc

Galvanising is the process of applying a coating of zinc to steel, in order to protect it against corrosion. The most common method used for the majority of sizes of steel members or fabrications is hot dip galvanising which involves the entire immersion of the steel product into a bath of molten zinc.



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