Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Always irreversible Mostly irreversible Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible Highly temperature sensitive Insensitive to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Activity Performance Surface area None of these Activity Performance Surface area None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? 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) Single tubular flow reactor (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? There is no dynamic equilibrium between successive layer The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process None of these Langmuir There is no dynamic equilibrium between successive layer The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process None of these Langmuir ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical reaction rate of a component depends upon the All of these Temperature of the system Pressure of the system Composition of the component only All of these Temperature of the system Pressure of the system Composition of the component only ANSWER DOWNLOAD EXAMIANS APP