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 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
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and tin Copper and iron Copper and zinc Copper and nickel Copper and tin Copper and iron Copper and zinc Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Nickel and copper Refined silver Nickel, Copper and zinc Silver and some impurities Nickel and copper Refined silver Nickel, Copper and zinc Silver and some impurities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP