Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Both the reactants flow counter-currently Velocity of reaction can be controlled Maximum conversion can be controlled Residence time is constant Both the reactants flow counter-currently Velocity of reaction can be controlled Maximum conversion can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction of a/an __________ reaction is not affected by temperature rise. Consecutive Autocatalytic Zero order Photochemical Consecutive Autocatalytic Zero order Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? 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 Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? Chain reaction theory Radiation hypothesis Collision theory and activated complex theory None of these Chain reaction theory Radiation hypothesis Collision theory and activated complex theory None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Desorption of C Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Desorption of C Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called None of these Operational yield Selectivity Relative yield None of these Operational yield Selectivity Relative yield ANSWER DOWNLOAD EXAMIANS APP