Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for reactants Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 0.5 1 2 3 0.5 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? N? + O? ? 2NO 2NO? ? N?O? 2SO? + O? ? 2SO? 2O? ? 3O? N? + O? ? 2NO 2NO? ? N?O? 2SO? + O? ? 2SO? 2O? ? 3O? ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Slurry Batch Fluidised bed Fixed bed Slurry Batch Fluidised bed Fixed bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Is greater than Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) Is greater than Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil ANSWER DOWNLOAD EXAMIANS APP