Engineering Materials Maximum percentage of carbon in austenite is 0.00025 0.008 0.017 0.0026 0.00025 0.008 0.017 0.0026 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Phosphorus Manganese Silicon Sulphur Phosphorus Manganese Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes The casting unsound It hard It easily machinable It brittle The casting unsound It hard It easily machinable It brittle ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Induce stresses Reduce segregation in casting Improve mechanical properties Refine grain structure Induce stresses Reduce segregation in casting Improve mechanical properties Refine grain structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 57 710 35 1015 57 710 35 1015 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals grow bigger in size At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals grow bigger in size ANSWER DOWNLOAD EXAMIANS APP
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