Engineering Materials The metal suitable for bearings subjected to heavy loads, is White metal Monel metal Phosphor bronze Silicon bronze White metal Monel metal Phosphor bronze Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Has a fixed structure under all conditions Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Has a fixed structure under all conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called None of these Mesomorphous material Amorphous material Crystalline material None of these Mesomorphous material Amorphous material Crystalline material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Chromium Nickel Copper Silicon Chromium Nickel Copper ANSWER DOWNLOAD EXAMIANS APP