Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Silicon bronze Aluminium bronze Babbitt metal Gun metal Silicon bronze Aluminium bronze Babbitt metal Gun metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Cementite Ferrite Pearlite Austenite Cementite Ferrite Pearlite 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 Increase Decrease Remain same First increase and then decrease Increase Decrease Remain same First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Flywheel of steam engine Cast iron pipes Gas turbine blades Cycle chains Flywheel of steam engine Cast iron pipes Gas turbine blades Cycle chains ANSWER DOWNLOAD EXAMIANS APP