Engineering Materials Which of the following material has nearly zero coefficient of expansion? High speed steel Invar Stainless steel Heat resisting steel High speed steel Invar Stainless steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron and beta iron Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Chromium Vanadium Manganese Nickel Chromium Vanadium Manganese Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Allotropic change Precipitation Recrystallization Heat treatment Allotropic change Precipitation Recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium Sulphur, lead, phosphorous Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
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