Chemical Reaction Engineering Mean residence time is equal to the space time, when There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and temperature only Pressure, temperature and composition Pressure and composition only Temperature and composition only Pressure and temperature only Pressure, temperature and composition Pressure and composition only Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory relates the above quantities as K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a mixed flow reactor operating at steady state, the rate of reaction is given by FA0/V . Xsub>A FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt - dCsub>A/dt FA0/V . Xsub>A FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt - dCsub>A/dt ANSWER DOWNLOAD EXAMIANS APP