Chemical Reaction Engineering A catalyst inhibitor All of these Lessens its selectivity Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions All of these Lessens its selectivity Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 + x) (1 + x)² (1 - x)² (1 - x) (1 + x) (1 + x)² (1 - x)² (1 - x) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy balance equation over a tubular reactor under transient conditions is An algebric differential equation A linear partial differential equation A non-linear partial differential equation An ordinary non-linear differential equation An algebric differential equation A linear partial differential equation A non-linear partial differential equation An ordinary non-linear differential equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Catalytic cracking Methanol synthesis Ammonia synthesis Oxidation of sulphur Catalytic cracking Methanol synthesis Ammonia synthesis Oxidation of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Pressure Both A & B Temperature Neither A nor B Pressure Both A & B Temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface ANSWER DOWNLOAD EXAMIANS APP
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