Building Materials The variety of pig iron used for manufacture of wrought iron, is White forge pig Mottled pig Grey or foundry pig Bessemer pig White forge pig Mottled pig Grey or foundry pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The coefficient of hardness of stones used in road work should be greater than 15 12 17 10 15 12 17 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: 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 All listed here About 50% to 60% of silica Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Metamorphic rocks Sedimentary rocks Igneous rocks None of these Metamorphic rocks Sedimentary rocks Igneous rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastics are compounds of carbon with element All of these Hydrogen Nitrogen Oxygen All of these Hydrogen Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Heat of hydration Shrinkage Permeability Bleeding Heat of hydration Shrinkage Permeability Bleeding ANSWER DOWNLOAD EXAMIANS APP