Chemical Engineering Basics The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it, is defined as the Terminal velocity Minimum fluidisation velocity Superficial velocity Elutriation velocity Terminal velocity Minimum fluidisation velocity Superficial velocity Elutriation velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Reduced preferentially Cheaper Lighter Oxidised preferentially Reduced preferentially Cheaper Lighter Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 25 70 50 80 25 70 50 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Thermal diffusivity Viscosity Density Thermal conductivity Thermal diffusivity Viscosity Density Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as Gr, Gr0.25 Gr0.25, Gr0.33 Gr0.33, Gr0.25 Gr0.25, Gr Gr, Gr0.25 Gr0.25, Gr0.33 Gr0.33, Gr0.25 Gr0.25, Gr ANSWER DOWNLOAD EXAMIANS APP