Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel Stainless steel Invar High speed steel ANSWER DOWNLOAD EXAMIANS APP
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 Recrystallization temperature can be lowered by All of these Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature Grain refinement Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 57 RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Carburising process Core hardening process Surface hardening process None of these Carburising process Core hardening process Surface hardening process None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Cobalt Vanadium Nickel Molybdenum Cobalt Vanadium Nickel Molybdenum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS