Engineering Materials Balls for ball bearings are made of Cast iron Mild steel Stainless steel Carbon-chrome steel Cast iron Mild steel Stainless steel Carbon-chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Carbon in the form of carbide Low tensile strength High compressive strength All of these Carbon in the form of carbide Low tensile strength High compressive strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of None of these Body centered cubic space lattice Close packed hexagonal space lattice Face centered cubic space lattice None of these Body centered cubic space lattice Close packed hexagonal space lattice Face centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Hardness Yield point Critical temperature Melting point Hardness Yield point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel 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 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 ANSWER DOWNLOAD EXAMIANS APP