Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is of less importance Internal surface area is utilised efficiently Porosity is very important None of these Porosity is of less importance Internal surface area is utilised efficiently Porosity is very important None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Shift conversion reaction Converts CO to CO₂ with steam Converts N₂ and H₂ into NH₃ Is highly exothermic Is non-catalytic Converts CO to CO₂ with steam Converts N₂ and H₂ into NH₃ Is highly exothermic Is non-catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 16 4 8 12 16 4 8 12 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 - dCsub>A/dt FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt FA0/V . Xsub>A - dCsub>A/dt FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Porosity Both B & C Surface area Pore volume Porosity Both B & C Surface area Pore volume ANSWER DOWNLOAD EXAMIANS APP