Building Materials Which of the following represents a metamorphic rock?(i) Slate(ii) Shale(iii) Quartzite Both (ii) and (iii) Only (iii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (iii) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polypropylene Polyvinylchloride All of these Polystyrene Polypropylene Polyvinylchloride All of these Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Building Materials Duco paints are Oil paints Plastic paints Emulsion paints Cellulose paints Oil paints Plastic paints Emulsion paints Cellulose paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 20 % 15 % 25 % 22 % 20 % 15 % 25 % 22 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The specific gravity of marble, is 2.6 2.5 2.72 2.66 2.6 2.5 2.72 2.66 ANSWER DOWNLOAD EXAMIANS APP
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