Building Materials When a brick is immersed in water for 24 hours and then dried, if All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting of cement is caused due to Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used base for iron and steel work, is Zinc white Red lead Titanium white White lead Zinc white Red lead Titanium white White lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials For slaking of 10 kg of CaO, the theoretical amount of water is 3.2 kg 1.5 kg None of these 2.2 kg 3.2 kg 1.5 kg None of these 2.2 kg ANSWER DOWNLOAD EXAMIANS APP
Building Materials Name the type of cement from the following for canal linings: Sulphate resisting cement Quick setting cement Pozzolana cement Rapid hardening cement Sulphate resisting cement Quick setting cement Pozzolana cement Rapid hardening cement ANSWER DOWNLOAD EXAMIANS APP
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