Engineering Materials The alloy used for making electrical resistances and heating elements is Magnin Invar Elinvar Nichrome Magnin Invar Elinvar Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has 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 No graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as None of these Surface defect Line defect Point defect None of these Surface defect Line defect Point defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Any one of these Slowly in the furnace Suddenly in a suitable cooling medium In still air Any one of these Slowly in the furnace Suddenly in a suitable cooling medium In still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Relieve stresses Soften material Improve machining characteristic Harden steel slightly Relieve stresses Soften material Improve machining characteristic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 65 RC 48 RC 57 RC 80 RC 65 RC 48 RC 57 RC 80 ANSWER DOWNLOAD EXAMIANS APP
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