Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Gas reactions with changing no. of moles Non-isothermal gas reaction Constant fluid density systems Variable fluid density systems Gas reactions with changing no. of moles Non-isothermal gas reaction Constant fluid density systems Variable fluid density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for very high pressure gas phase reaction? Tubular flow reactor Batch reactor Stirred tank reactor Fluidised bed reactor Tubular flow reactor Batch reactor Stirred tank reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. None of these Gas film Chemical reaction Ash None of these Gas film Chemical reaction Ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. All of these High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost Poor product quality control All of these High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost Poor product quality control ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction None of these It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction None of these ANSWER DOWNLOAD EXAMIANS APP