Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 80 : 13 : 7 None of these 60 : 35 : 5 70 : 20 : 10 80 : 13 : 7 None of these 60 : 35 : 5 70 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials For slaking of 10 kg of CaO, the theoretical amount of water is 1.5 kg None of these 3.2 kg 2.2 kg 1.5 kg None of these 3.2 kg 2.2 kg ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Brittle and weak To lose cohesion Impermeable To crack and warp on drying Brittle and weak To lose cohesion Impermeable To crack and warp on drying ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% All listed here Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
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