Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Allotropic change Solidus change Molecular change Physical change Allotropic change Solidus change Molecular change Physical change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 0.02 0.1 2 0.4 0.02 0.1 2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Electroplating Induction hardening Cyaniding Nitriding Electroplating Induction hardening Cyaniding Nitriding ANSWER DOWNLOAD EXAMIANS APP
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