Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Chanelling Bypass Dead zone Ideal plug flow Chanelling Bypass Dead zone Ideal plug flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison All of these Decay reactions Pore diffusion Form of surface attack by poison All of these Decay reactions Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Mixed reactor is always larger than the plug-flow reactor Reactor size is independent of the type of flow Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Mixed reactor is always larger than the plug-flow reactor Reactor size is independent of the type of flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be 5°C 10°C 20°C 100°C 5°C 10°C 20°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance of a cascade of CSTR's can be improved by adding More CSTR's in parallel A P.F. reactor in series A P.F. reactor in parallel More CSTR's in series More CSTR's in parallel A P.F. reactor in series A P.F. reactor in parallel More CSTR's in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Unpredictable from the data Decreases Remains unchanged Increases Unpredictable from the data Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP