How many types of sulphates attack occur in concrete?(a) 1(b) 2(c) 3(d) 4I had been asked this question in unit test.I would like to ask this question from Mass Concrete and Chemical Action in chapter Durability of Concrete of Concrete Technology

How many types of sulphates attack occur in concrete?(a) 1(b) 2(c) 3(d

1.	How many types of sulphates attack occur in concrete?(a) 1(b) 2(c) 3(d) 4I had been asked this question in unit test.I would like to ask this question from Mass Concrete and Chemical Action in chapter Durability of Concrete of Concrete Technology
Answer» The correct option is (b) 2 Explanation: There are two TYPES of sulphates ATTACK in CONCRETE and mortar i.e., INTERNAL attack and external attack.

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