Building Materials A ferrous metal is Steel All of these Wrought iron Cast iron Steel All of these Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and silica Lime and alumina Silica and alumina Lime and iron Lime and silica Lime and alumina Silica and alumina Lime and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 40 % 30 % 50 % 20 % 40 % 30 % 50 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time of lime-pozzolana, is 30 minutes 60 minutes 120 minutes 90 minutes 30 minutes 60 minutes 120 minutes 90 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is All listed here Ambers Carbon black Iron oxide All listed here Ambers Carbon black Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks in which argil (or clay) predominates, are called Igneous rocks Calcareous rocks Argillaceous rocks Siliceous rocks Igneous rocks Calcareous rocks Argillaceous rocks Siliceous rocks ANSWER DOWNLOAD EXAMIANS APP