Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets Can be drawn into wires Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets Can be drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium Sulphur, lead, phosphorous Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Austenite Pearlite Cementite Ferrite Austenite Pearlite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability High tensile strength All of these Low melting point High machinability High tensile strength All of these Low melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
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