Building Materials The minimum compressive strength of 1st class bricks should be 75 kg/cm² 75 kg/cm² 100 kg/cm² 120 kg/cm² 75 kg/cm² 75 kg/cm² 100 kg/cm² 120 kg/cm² 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 aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct characteristic of Pyroxene from the following: It forms octagonal crystals It converts to chlorine by hydration All listed here It forms octagonal crystals It converts to chlorine by hydration All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is Elastic Water proof Fire proof All listed here Elastic Water proof Fire proof All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials In a mortar, the binding material is Sand Cement Surkhi (brick-dust) Cinder Sand Cement Surkhi (brick-dust) Cinder ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains Silica (SiO2) 35% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% Silica (SiO2) 35% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% ANSWER DOWNLOAD EXAMIANS APP
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