Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen. Creep Endurance Tensile Fatigue Creep Endurance Tensile Fatigue ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Lead Brass Aluminium Copper Lead Brass Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 25/2 21/3 23 23/2 25/2 21/3 23 23/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Presence of small quantity of sulphur in low carbon steel improves its Machinability Hardenarality Weldability Formability Machinability Hardenarality Weldability Formability ANSWER DOWNLOAD EXAMIANS APP
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