Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials All of these High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Permalloy is a Kind of stainless steel Polymer Nickel and iron alloy having high permeability None ferrous alloy Kind of stainless steel Polymer Nickel and iron alloy having high permeability None ferrous alloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same Decreases None of these Increases Remain same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Lamellar layers of carbide distributed throughout the structure Martenistic structure Formation of bainite structure Carburised structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Formation of bainite structure Carburised structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper ANSWER DOWNLOAD EXAMIANS APP