DPC _____ effective used in concretes that are in contact with water under pressure.

Content of CaO in silica fume?

Water proofing admixtures are available in powder, paste or liquid and gaesous form.

Retarders used at grouting oil wells, where temperature is about _________ oC.

Which of the following option doesn’t come in chemical admixtures?

Which one is not chemical admixtures?

Chemically inactive pore fillers ______ the workability.

Damp proofing ________ resist water well enough.