Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Brittle Basic Acidic Neutral Brittle Basic Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Graphite Mild steel Lead German silver Graphite Mild steel Lead German silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It hard It easily machinable The casting unsound It brittle It hard It easily machinable The casting unsound It brittle ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Annealing Tempering Carburising Normalizing Annealing Tempering Carburising Normalizing ANSWER DOWNLOAD EXAMIANS APP
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