Engineering Materials The addition of which of the following improves machining of copper? Sulphur Zinc Vanadium Tin Sulphur Zinc Vanadium Tin 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
Engineering Materials Which of the following is used for bearing liner? Bronze Babbitt metal Gun metal Bell metal Bronze Babbitt metal Gun metal Bell metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Allotropic change Recrystallization Precipitation Heat treatment Allotropic change Recrystallization Precipitation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Soft Hard and tough Tough Hard Soft Hard and tough Tough Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.001 0.004 0.006 0.002 0.001 0.004 0.006 0.002 ANSWER DOWNLOAD EXAMIANS APP