To control corrosion, concrete with _________ is used.(a) Low permeability(b) Low thermal coefficient(c) More cement content(d) More coarse aggregatesI have been asked this question at a job interview.I would like to ask this question from Building Maintenance in chapter Building Construction of Basic Civil Engineering

To control corrosion, concrete with _________ is used.(a) Low permeabi

1.	To control corrosion, concrete with _________ is used.(a) Low permeability(b) Low thermal coefficient(c) More cement content(d) More coarse aggregatesI have been asked this question at a job interview.I would like to ask this question from Building Maintenance in chapter Building Construction of Basic Civil Engineering
Answer» The correct choice is (a) Low permeability To EXPLAIN: If the concrete is less permeable, then there is less chance of moisture, CHEMICAL absorption which leads to CORROSION of STEEL BARS.

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