Engineering Materials When medium carbon steel is heated to coarsening temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The blade of a power saw is made of Stainless steel Boron steel High speed steel Malleable cast iron Stainless steel Boron steel High speed steel Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C 1050°C 910°C Below recrystallization temperature 770°C 1050°C 910°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Monel metal Constantan Delta metal Nichrome Monel metal Constantan Delta metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In compression, a prism of brittle material will break By crushing into thousands of pieces By shearing along oblique plane By forming a bulge In direction perpendicular to application of load By crushing into thousands of pieces By shearing along oblique plane By forming a bulge In direction perpendicular to application of load ANSWER DOWNLOAD EXAMIANS APP