Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Silicon steel Nickel steel Chrome steel Nickel-chrome steel Silicon steel Nickel steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Germanium Silver Gold Copper Germanium Silver Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic constituents of Monel metal are Nickel, lead and tin Nickel, copper Zinc, tin, lead Nickel, molybdenum Nickel, lead and tin Nickel, copper Zinc, tin, lead Nickel, molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP