Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials High speed steel All of these Cast iron All nonferrous materials High speed steel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.4 to 0.6% 0.6 to 0.8% 0.0004 0.35 to 0.45% 0.4 to 0.6% 0.6 to 0.8% 0.0004 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in low carbon steel is 0.5% 0.05% 0.3% 0.15% 0.5% 0.05% 0.3% 0.15% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS