Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 18%, chromium 1% and tungsten 4% Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 18%, chromium 1% and tungsten 4% Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium Chromium and nickel Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium Chromium and nickel Sulphur, phosphorus, lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Nodular aggregates of graphite Free carbon Cementite Flakes Nodular aggregates of graphite Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Manganese Nickel Magnesium Silicon Manganese Nickel Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
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