Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ultimate strength in tension as compared to that in shear for steel is One third One and half times Half One fourth One third One and half times Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following heat treatment processes is usually applied to castings ? Tempering Annealing Normalising Carburising Tempering Annealing Normalising Carburising ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Silicon crystal can be converted to p-type semi-conductor by doping with Phosphorous Carbon Boron Nitrogen Phosphorous Carbon Boron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following contributes maximum as main source of sulphur in the blast furnace charge ? Iron ore Sinter Coke Limestone Iron ore Sinter Coke Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dezincification is a form of corrosion, which specifically applies to Stainless steel Brass Babbit metal Steel Stainless steel Brass Babbit metal Steel ANSWER DOWNLOAD EXAMIANS APP
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