Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Below 10°K Above 100°K Around 100°C Around 0°C Below 10°K Above 100°K Around 100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.7 0.3 0.45 0.55 0.7 0.3 0.45 0.55 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Vanadium, aluminium Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel Vanadium, aluminium Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Cast iron Vitrified clay Asbestos cement Concrete Cast iron Vitrified clay Asbestos cement Concrete ANSWER DOWNLOAD EXAMIANS APP