Materials and Construction The hardest material just prior to diamond in Mhos scale is Calcite Topax Corrundum Carborundum Calcite Topax Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of Fireclay bricks Calcium carbide High alumina bricks Silicon carbide Fireclay bricks Calcium carbide High alumina bricks Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity High toughness Low thermal conductivity Low co-efficient of friction Enough plasticity High toughness Low thermal conductivity Low co-efficient of friction ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage elongation of a material is a measure of its Toughness Malleability Brittleness Ductility Toughness Malleability Brittleness Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material in Mho's scale (for measuring hardness) is Gypsum Talc Rubber None of these Gypsum Talc Rubber None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following exercises most powerful influence on the mechanical properties of steel? Silicon Phosphorous Manganese Carbon Silicon Phosphorous Manganese Carbon ANSWER DOWNLOAD EXAMIANS APP