Engineering Materials Closed packed hexagonal space lattice is found in Alpha-iron, tungsten, chromium and molybdenum Gamma-iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum Gamma-iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly 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 is the false statement about wrought iron? It has High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Endurance Plastic deformation Creep Fatigue Endurance Plastic deformation Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Surface decarburisation Nitriding of surface Shot peening Cold working Surface decarburisation Nitriding of surface Shot peening ANSWER DOWNLOAD EXAMIANS APP
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