Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 11 4 22 2 11 4 22 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Decreases Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Combustion of coal particles Roasting of sulphide ores Manufacture of carbon disulphide from elements None of these Combustion of coal particles Roasting of sulphide ores Manufacture of carbon disulphide from elements None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 0 ∞ < 0.5 > 0.5 0 ∞ < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.3 0.6 0.9 0.15 0.3 0.6 0.9 0.15 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is 0.425 0.5 0.875 Data insufficient to calculate 0.425 0.5 0.875 Data insufficient to calculate ANSWER DOWNLOAD EXAMIANS APP
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