Engineering Materials Tungsten in steel Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.002 0.008 0.02 0.013 0.002 0.008 0.02 0.013 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 Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Sulphur Manganese Carbon Silicon Sulphur Manganese Carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS