Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Cobalt Iron Nickel Vanadium Cobalt Iron Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Connecting rods Cutting tools Generators and transformers in the form of laminated cores Motor car crankshafts Connecting rods Cutting tools Generators and transformers in the form of laminated cores Motor car crankshafts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Fatigue Hot tempering Creep Hot hardness Fatigue Hot tempering Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility ANSWER DOWNLOAD EXAMIANS APP