Engineering Materials Chromium when added to steel _________ the tensile strength. Increases None of these Decreases Does not effect Increases None of these Decreases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel 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 The ratio of the volume occupied by the atoms to the total volume of the unit cell is called Space lattice Atomic packing factor Coordination number None of these Space lattice Atomic packing factor Coordination number None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Release stresses Improve machinability Improve ductility Improve toughness Release stresses Improve machinability Improve ductility 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 Which of the following material has nearly zero coefficient of expansion? High speed steel Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel Stainless steel Invar ANSWER DOWNLOAD EXAMIANS APP
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