Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Sedimentary rocks None of these Igneous rocks Metamorphic rocks Sedimentary rocks None of these Igneous rocks Metamorphic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Splits radiating from the centre Signs of branches cut off Speckled strains Defects caused by crushing fibres Splits radiating from the centre Signs of branches cut off Speckled strains ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Stratified rock Igneous rock Sedimentary rock Metamorphic rock Stratified rock Igneous rock Sedimentary rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Argillaceous rock Siliceous rock Metamorphic rock Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock Calcareous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The harmonious mixing of the clay ingredients, is known as Tempering Weathering None of these Blending Tempering Weathering None of these Blending ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP