Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Acidic Brittle Basic Neutral Acidic Brittle Basic Neutral 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 Line defect Point defect Surface defect None of these Line defect Point defect Surface defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Glass Zinc Silver Lead Glass Zinc Silver Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Cutting tools Motor car crankshafts Connecting rods Generators and transformers in the form of laminated cores Cutting tools Motor car crankshafts Connecting rods Generators and transformers in the form of laminated cores ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 1050°C Below recrystallization temperature 770°C 910°C 1050°C Below recrystallization temperature 770°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS