Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Chrome steel Nickel steel Silicon steel Nickel-chrome steel Chrome steel Nickel steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel All nonferrous materials All of these 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 Point defect Surface defect Line defect None of these Point defect Surface defect Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Bessemer converter Cupola Open hearth furnace Blast furnace Bessemer converter Cupola Open hearth furnace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Embrittlement Corrosion resistance Reduced neutron absorption cross-section Improved Weldability Embrittlement Corrosion resistance Reduced neutron absorption cross-section Improved Weldability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
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