Engineering Materials The steel widely used for motor car crankshafts is Chrome steel Nickel-chrome steel Nickel steel Silicon steel Chrome steel Nickel-chrome steel Nickel steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Toughness Low tensile strength Low wear resistance Low hardness Toughness Low tensile strength Low wear resistance Low hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Yield point increases Ductility decreases Ultimate tensile strength increases All of these Yield point increases Ductility decreases Ultimate tensile strength increases All of these ANSWER DOWNLOAD EXAMIANS APP
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