Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/3 1/9 1/2 3 1/3 1/9 1/2 3 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 not endothermic in nature? Steam reforming of naphtha Combustion of sulphur Thermal cracking of fuel oil Gasification of carbon Steam reforming of naphtha Combustion of sulphur Thermal cracking of fuel oil Gasification of carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same. Batch Semi-batch Tubular Back-mix Batch Semi-batch Tubular Back-mix ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Data insufficient, can Smaller reactor followed by larger one Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Data insufficient, can Smaller reactor followed by larger one ANSWER DOWNLOAD EXAMIANS APP
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