Engineering Materials Drop forging dies contain carbon of the order of 0.6 to 0.7% 0.7 to 0.9% 0.1 to 0.2% 0.25 to 0.5% 0.6 to 0.7% 0.7 to 0.9% 0.1 to 0.2% 0.25 to 0.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In circular motion In a haphazard way In a random manner Back and forth like tiny pendulums In circular motion In a haphazard way In a random manner Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Equal to 7 Greater than 7 pH value has nothing to do with neutral solution Less than 7 Equal to 7 Greater than 7 pH value has nothing to do with neutral solution Less than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Improved Weldability Reduced neutron absorption cross-section Embrittlement Corrosion resistance Improved Weldability Reduced neutron absorption cross-section Embrittlement ANSWER DOWNLOAD EXAMIANS APP