Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Gun metal Silicon bronze Babbitt metal Aluminium bronze Gun metal Silicon bronze Babbitt metal Aluminium bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High tensile strength Low melting point High machinability All of these High tensile strength Low melting point High machinability All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Copper Nickel Chromium Silicon Copper Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Plasticity Ductility Elasticity Malleability Plasticity Ductility Elasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Decrease Increase First increase and then decrease Remain same Decrease Increase First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP