Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. Second First Zero Third Second First Zero Third 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 Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Plug-flow reactor Back-mix reactor Fixed bed reactor Batch reactor Plug-flow reactor Back-mix reactor Fixed bed reactor Batch reactor 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 < 0.5 ∞ 0 > 0.5 < 0.5 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? None of these Pressure Temperature Concentration and catalyst None of these Pressure Temperature Concentration and catalyst 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) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) ANSWER DOWNLOAD EXAMIANS APP