Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components High precision components with complex cavities and sharp features Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components High precision components with complex cavities and sharp features ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Normalising Annealing Tempering Case carburising Normalising Annealing Tempering Case carburising ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is maximum Density variation is maximum Velocity gradient is flat Shear stress is zero Shear stress is maximum Density variation is maximum Velocity gradient is flat Shear stress is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Angular displacement can be measured suitably by a Linear variable differential transducer (LVDT) Shaft encoder Stroboscope Tachometer Linear variable differential transducer (LVDT) Shaft encoder Stroboscope Tachometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Grease Hazel-nut oil Palm oil Metallic soap solution Grease Hazel-nut oil Palm oil Metallic soap solution ANSWER DOWNLOAD EXAMIANS APP
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