Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic constituents of Monel metal are Zinc, tin, lead Nickel, lead and tin Nickel, copper Nickel, molybdenum Zinc, tin, lead Nickel, lead and tin Nickel, copper Nickel, molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The elastic stress strain behavior of rubber is Plastic Linear No fixed relationship Nonlinear Plastic Linear No fixed relationship Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability All of these Low melting point High tensile strength High machinability All of these Low melting point High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Phosphor bronze Monel metal Babbitt metal Nichrome Phosphor bronze Monel metal Babbitt metal Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron Nodular cast iron White cast iron Malleable cast iron Alloy cast iron Nodular cast iron White cast iron Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP