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 Stages at which allotropic forms change There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature Stages at which allotropic forms change There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In compression, a prism of brittle material will break By crushing into thousands of pieces By shearing along oblique plane In direction perpendicular to application of load By forming a bulge By crushing into thousands of pieces By shearing along oblique plane In direction perpendicular to application of load By forming a bulge ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Stresses induced in all directions Electric and magnetic properties in all directions Elastic properties in all directions Thermal properties in all directions Stresses induced in all directions Electric and magnetic properties in all directions Elastic properties in all directions Thermal properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C It contains carbon of the order of 0 to 0.25% It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C It contains carbon of the order of 0 to 0.25% It is very soft and ductile ANSWER DOWNLOAD EXAMIANS APP
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