Engineering Materials A material is known as allotropic or polymorphic if it Has its atoms distributed in a random pattern Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Responds to heat treatment Has its atoms distributed in a random pattern Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Responds to heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Germanium Gold Silver Copper Germanium Gold Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is used for bearing liner? Babbitt metal Bell metal Gun metal Bronze Babbitt metal Bell metal Gun metal Bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter ANSWER DOWNLOAD EXAMIANS APP
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