Building Materials The compound of Portland cement which contributes to the strength after two to three years is Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The practical limit of moisture content achieved in air drying of timber is 35 % 5 % 15 % 25 % 35 % 5 % 15 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? Quartz Mica Gypsum None of these Quartz Mica Gypsum None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Soundness test of cement determines Initial setting Quality of free lime Ultimate strength Durability Initial setting Quality of free lime Ultimate strength Durability ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slacking of lime is affected by Immersing the lime in water Crushing the lime lumps Keeping it exposed to air None of these Immersing the lime in water Crushing the lime lumps Keeping it exposed to air None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
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