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Building Materials - Engineering

Q1:

Soundness of cement is tested by

A Vicat's apparatus <

B Le-chatelier apparatus

C compressive strength testing apparatus

D none of the these.

ANS:B - Le-chatelier apparatus

Soundness mainly are caused by three material.

1. Lime (check by blames air permeability test).

2. Alumina (check by Le-Chatelier test).

3. Sulphur (no apparatus are available to check).