Building Materials A good brick earth should contain: All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To paint its surface To make it water proof To increase its temperature To remove water To paint its surface To make it water proof To increase its temperature To remove water 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 Glazing is used to make earthenware impervious soft porous hard impervious soft porous hard ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is Ambers All listed here Iron oxide Carbon black Ambers All listed here Iron oxide Carbon black ANSWER DOWNLOAD EXAMIANS APP
Building Materials For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of 1 : 4 1 : 2 1 : 6 1 : 3 1 : 4 1 : 2 1 : 6 1 : 3 ANSWER DOWNLOAD EXAMIANS APP