Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Babbitt metal Monel metal Nichrome Phosphor bronze Babbitt metal Monel metal Nichrome Phosphor bronze 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? Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Physical change Allotropic change Solidus change Molecular change Physical change Allotropic change Solidus change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A very high percentage of graphite Graphite as its basic constituent of composition A low percentage of graphite No graphite A very high percentage of graphite Graphite as its basic constituent of composition A low percentage of graphite No graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.3 0.7 0.55 0.45 0.3 0.7 0.55 0.45 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 ANSWER DOWNLOAD EXAMIANS APP