Building Materials Galvanising means covering iron with a thin coat of Zinc Tin Glaze Coal tar Zinc Tin Glaze Coal tar ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gneiss is obtained from Igneous rocks Metamorphic rocks Sedimentary rocks Sedimentary metamorphic rocks Igneous rocks Metamorphic rocks Sedimentary rocks Sedimentary metamorphic rocks 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 (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Smelting All of these Calcination and roasting Dressing Smelting All of these Calcination and roasting Dressing ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 5 % 10 % 20 % 15 % 5 % 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Steel Wrought iron All of these Cast iron Steel Wrought iron All of these Cast iron ANSWER DOWNLOAD EXAMIANS APP