Chemical Reaction Engineering Mean residence time is equal to the space time, when The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction All of these The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Surface area None of these Porosity Sensitivity Surface area None of these Porosity Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Becomes infinite Decreases Increases Remain same Becomes infinite Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the dispersion number for a CSTR? 0 ∞ 1 < 1 0 ∞ 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.693τ τ/0.693 2τ 0.5τ 0.693τ τ/0.693 2τ 0.5τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the reversible reaction of the type, A + B ⇋ AB, in general Both forward and backward reactions will be exothermic Neither of the reactions will be en-dothermic The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic Both forward and backward reactions will be exothermic Neither of the reactions will be en-dothermic The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic ANSWER DOWNLOAD EXAMIANS APP
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