Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be ∞ 0 1 Between 0 and 1 ∞ 0 1 Between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is very important Porosity is of less importance Internal surface area is utilised efficiently None of these Porosity is very important Porosity is of less importance Internal surface area is utilised efficiently None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Autocatalytic Exothermic Autothermal Endothermic Autocatalytic Exothermic Autothermal Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Quality & yield can not be achieved in continuous processes, because of long residence time Sales demand is fluctuating Neither A nor B Both A & B Quality & yield can not be achieved in continuous processes, because of long residence time Sales demand is fluctuating Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Selectivity Stability Chemisorbed Deposited Selectivity Stability Chemisorbed Deposited ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is Series of CSTR Backmix reactor Plug flow reactor PFR in series Series of CSTR Backmix reactor Plug flow reactor PFR in series ANSWER DOWNLOAD EXAMIANS APP