Engineering Materials Super conduction by metals is observed in the temperature range of Below 10°K Above 100°K Around 0°C Around 100°C Below 10°K Above 100°K Around 0°C Around 100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its All of these Ductility decreases Ultimate tensile strength increases Yield point increases All of these Ductility decreases Ultimate tensile strength increases Yield point increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel 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 Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Eutectic cast irons Hypoeutectic cast irons None of these Hypereutectic cast irons Eutectic cast irons Hypoeutectic cast irons None of these Hypereutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature Purification of metal Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Brittle Basic Neutral Acidic Brittle Basic Neutral Acidic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS