Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements contains maximum percentage of dicalcium silicate? Ordinary Portland cement Low heat cement Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement Sulphate resisting cement Rapid hardening cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos is Corrugated sheet used for roofing An incombustible fire proof material All of these An organic substance Corrugated sheet used for roofing An incombustible fire proof material All of these An organic substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is generally used for Both (A) and (B) Damp proof course Partition walls Water proof layer Both (A) and (B) Damp proof course Partition walls Water proof layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials The vehicle used in case of enamel paints is usually Varnish None of these Linseed oil Water Varnish None of these Linseed oil Water ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Boric acid Silicon All of these Aluminium carbide Boric acid Silicon All of these Aluminium carbide ANSWER DOWNLOAD EXAMIANS APP
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