Water proof cement is prepared by mixing ordinary cement with:(a) Resins(b) Water repellent chemicals(c) Sulpho-aminate(d) Metal stearatesI got this question in an internship interview.This question is from Types of Cement and Uses topic in chapter Materials for Construction of Basic Civil Engineering

Water proof cement is prepared by mixing ordinary cement with:(a) Resi

1.	Water proof cement is prepared by mixing ordinary cement with:(a) Resins(b) Water repellent chemicals(c) Sulpho-aminate(d) Metal stearatesI got this question in an internship interview.This question is from Types of Cement and Uses topic in chapter Materials for Construction of Basic Civil Engineering
Answer» Correct CHOICE is (d) Metal stearates Best explanation: Resins are added in air entraining cement.WATER repellent chemicals in hydrophobic cement.Sulpho-aminate is added in expanding cement.Metal stearates (Ca, Al, etc) are added in small percentage during grinding to get water PROOF cement.

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