Engineering Materials Depth of hardness of steel is increased by addition of Vanadium Nickel Tungsten Chromium Vanadium Nickel Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Above 100°K Below 10°K Around 0°C Around 100°C Above 100°K Below 10°K Around 0°C Around 100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Silver Gold Germanium Copper Silver Gold Germanium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Tough Hard Brittle Ductile Tough Hard Brittle Ductile ANSWER DOWNLOAD EXAMIANS APP