Engineering Materials Quenching is not necessary when hardening is done by Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are Constant for all metals The points where no further change occurs The points of discontinuity The points where there is no further flow of metal Constant for all metals The points where no further change occurs The points of discontinuity The points where there is no further flow of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge of the blast furnace consists of Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore, coke and limestone all in equal parts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable in parts subjected to shock and impact loads? Strength Stiffness Toughness Brittleness Strength Stiffness Toughness Brittleness ANSWER DOWNLOAD EXAMIANS APP
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