Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron and beta iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by All of these Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature Grain refinement Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Cyaniding Electroplating Nitriding Induction hardening Cyaniding Electroplating Nitriding Induction hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns ANSWER DOWNLOAD EXAMIANS APP
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