Engineering Materials Eutectoid reaction occurs at 1147°C 723°C 600°C 1493°C 1147°C 723°C 600°C 1493°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 710 35 1015 57 710 35 1015 57 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? Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Provides high hot hardness Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
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