Chemical Reaction Engineering The residence time distribution of an ideal CSTR is 1/τ exp (-t/τ) 1/τ (-t/τ) Exp(-t/τ) Τ exp (-t/τ) 1/τ exp (-t/τ) 1/τ (-t/τ) Exp(-t/τ) Τ exp (-t/τ) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reactions with high activation energy are Temperature insensitive Always reversible Always irreversible Very temperature sensitive Temperature insensitive Always reversible Always irreversible Very temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Reduces the value of equilibrium constant Retards the rate of reaction Does not initiate the reaction All of these Reduces the value of equilibrium constant Retards the rate of reaction Does not initiate the reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling All of these Poor product quality control High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling All of these Poor product quality control ANSWER DOWNLOAD EXAMIANS APP