Question

Why do we need to find soundness?

(a) To detect the uncombined lime in cement

(b) To detect the combined lime in cement

(c) To detect the combined alumina in cement

(d) To detect the uncombined alumina in cement

This question was posed to me in unit test.

My enquiry is from Soundness of Aggregates topic in section Aggregates and Testing of Aggregates of Concrete Technology

Answer 1

The correct answer is (a) To detect the uncombined lime in cement

The best explanation: Soundness Test on Cement. Soundness Test onCement is carried out to detect the presence of uncombined lime in cement.