Engineering Materials Bronze contains 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 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 Points of arrest for iron correspond to Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which allotropic forms change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Cementite Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Flakes Free carbon Spheroids Cementite Flakes Free carbon Spheroids Cementite ANSWER DOWNLOAD EXAMIANS APP
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