Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Duralumin Y-alloy Magnalium Hindalium Duralumin Y-alloy Magnalium Hindalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Free carbon Nodular aggregates of graphite Flakes Cementite Free carbon Nodular aggregates of graphite Flakes Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials High speed steel All of these Cast iron All nonferrous materials High speed steel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 70% copper and 30% zinc 70 - 78% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 78% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP