Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Release stresses Improve ductility Improve toughness Improve machinability Release stresses Improve ductility Improve toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 60% copper and 40% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C 910°C 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has No graphite A low percentage of graphite Graphite as its basic constituent of composition A very high percentage of graphite No graphite A low percentage of graphite Graphite as its basic constituent of composition A very high percentage of graphite ANSWER DOWNLOAD EXAMIANS APP
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