Engineering Materials Aluminium bronze contains aluminium and copper in the ratio of 2.5277777777778 40 : 60 0.47916666666667 2.1180555555556 2.5277777777778 40 : 60 0.47916666666667 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Any one of these Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these Relieve the stresses set up in the material after hot or cold working Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect Point defect None of these Line defect Surface defect Point defect None of these Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Pearlite Cementite Ferrite Austenite Pearlite Cementite Ferrite ANSWER DOWNLOAD EXAMIANS APP