Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Phosphor bronze Monel metal Nichrome Babbitt metal Phosphor bronze Monel metal Nichrome Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Lowers None of these Does not effect Raises Lowers None of these Does not effect Raises ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Increases Does not effect None of these Decreases Increases Does not effect None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Carbon in the form of free graphite All of these High tensile strength Low compressive strength Carbon in the form of free graphite All of these High tensile strength Low compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Yield point Critical temperature Hardness Melting point Yield point Critical temperature Hardness 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 Remain same Increase Decrease First increase and then decrease Remain same Increase Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP