Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Copper Chromium Nickel Silicon Copper Chromium Nickel 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 Tungsten when added to steel __________ the critical temperature. None of these Does not effect Raises Lowers None of these Does not effect Raises Lowers ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Low carbon steel Medium carbon steel Chrome steel High carbon steel Low carbon steel Medium carbon steel Chrome steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C Below recrystallization temperature 770°C 910°C 1050°C Below recrystallization temperature 770°C 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to light loads, is Monel metal Silicon bronze Phosphor bronze White metal Monel metal Silicon bronze Phosphor bronze White metal ANSWER DOWNLOAD EXAMIANS APP