Chemical Reaction Engineering The energy of activation of a chemical reaction Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst 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 Porosity is of less importance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance equations for constant density systems are identical for P.F.R. and backmix reactor P.F.R. and batch reactor Batch reactor and backmix reactor P.F.R, batch reactor and backmix reactor P.F.R. and backmix reactor P.F.R. and batch reactor Batch reactor and backmix reactor P.F.R, batch reactor and backmix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower Entropy changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A backmix reactor Is same as plug-flow reactor Employs mixing in axial direction only Is same as ideal stirred tank reactor Is most suitable for gas phase reaction Is same as plug-flow reactor Employs mixing in axial direction only Is same as ideal stirred tank reactor Is most suitable for gas phase reaction ANSWER DOWNLOAD EXAMIANS APP
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