Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Gas film None of these Ash Chemical reaction Gas film None of these Ash Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Single CSTR is the most suitable Both A and B Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Both A and B Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length First increases and then decreases Is at the highest allowable temperature throughout Decreases Increases First increases and then decreases Is at the highest allowable temperature throughout Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) L√(K/D1) 1 1/(L√(K/D1)) ∞ L√(K/D1) 1 1/(L√(K/D1)) ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for half change is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for completion of the reaction is independent of the initial concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order. Third Zero Second First Third Zero Second First ANSWER DOWNLOAD EXAMIANS APP