Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called Toughness Resilience Impact strength Ductility Toughness Resilience Impact strength Ductility ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Softness Internal stress level Machinability Toughness Softness Internal stress level Machinability Toughness 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 copper sulphate solution Decreasing the surface area of the electrodes Increasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Decreasing the surface area of the electrodes Increasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air standard Otto cycle is more efficient than the diesel cycle for the same Heat addition & compression ratio Cylinder dimension & rpm Heat addition & pressure Compression ratio & pressure Heat addition & compression ratio Cylinder dimension & rpm Heat addition & pressure Compression ratio & pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) T 1/T² T² 1/T T 1/T² T² 1/T ANSWER DOWNLOAD EXAMIANS APP