Building Materials The main ingredients of Portland cement are Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick None of these 10 % 20 % 15 % None of these 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Smith's test of stones is performed to find out The toughness of the stone The compressive strength of the stone The hardness of the stone The presence of soluble matter of stone The toughness of the stone The compressive strength of the stone The hardness of the stone The presence of soluble matter of stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Granite is not suitable for ordinary building purpose because it is not a fire proof material it can not be polished it is costly it has less crushing strength it is not a fire proof material it can not be polished it is costly it has less crushing strength ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Bleeding Heat of hydration Shrinkage Permeability Bleeding Heat of hydration Shrinkage Permeability ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
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