Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Melting point Critical temperature Yield point Hardness Melting point Critical temperature Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Malleability Ductility Brittleness Plasticity Malleability Ductility Brittleness Plasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 1400°C and 1539°C Between 910°C and 1400°C Near melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Near melting point Room temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.55 0.3 0.45 0.7 0.55 0.3 0.45 0.7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% 0.008 None of these Above 0.8% Below 0.8% 0.008 None of these Above 0.8% ANSWER DOWNLOAD EXAMIANS APP