Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron and beta iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Solidus change Molecular change Physical change Allotropic change Solidus change Molecular change Physical change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Raw material for blast furnace Iron in molten form in the ladles Product of blast furnace made by reduction of iron ore Iron containing huge quantities of carbon Raw material for blast furnace Iron in molten form in the ladles Product of blast furnace made by reduction of iron ore Iron containing huge quantities of carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Phosphorus Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Cementite Austenite Pearlite Martensite Cementite Austenite Pearlite Martensite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP