Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Duralumin Magnalium Hindalium Y-alloy Duralumin Magnalium Hindalium Y-alloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Normalizing Hardening and cold working Martempering Full annealing Normalizing Hardening and cold working Martempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Stainless steel High speed steel Heat resisting steel Invar Stainless steel High speed steel Heat resisting steel Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Sharp cutting edge Hot hardness Wear resistance Toughness Sharp cutting edge Hot hardness Wear resistance Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
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