Building Materials Pig iron is manufactured from the ores by Calcination and roasting Smelting Dressing All of these Calcination and roasting Smelting Dressing All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Laterite is a/an Siliceous rock Calcareous rock Argillaceous rock Volcanic rock Siliceous rock Calcareous rock Argillaceous rock Volcanic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of branches Number of annual rings Radius of its stem Circumference of its stem Number of branches Number of annual rings Radius of its stem Circumference of its stem ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Granite Basalt Pumice Slate Granite Basalt Pumice Slate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of silica in brick earth results in cracking and warping of bricks loss of cohesion None of these enhancing the impermeability of bricks cracking and warping of bricks loss of cohesion None of these enhancing the impermeability of bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Vanadium steel is generally used for Bearing balls Railway switches and crossing Axles and springs Magnets Bearing balls Railway switches and crossing Axles and springs Magnets ANSWER DOWNLOAD EXAMIANS APP