Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Manufacture of carbon disulphide from elements None of these Roasting of sulphide ores Combustion of coal particles Manufacture of carbon disulphide from elements None of these Roasting of sulphide ores Combustion of coal particles ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) ΔHA + ΔHR E E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR E E + ΔHA - ΔHR E + ΔHA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of an autocatalytic chemical reaction is a function of All of these Composition only Temperature only Pressure only All of these Composition only Temperature only Pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Very high temperature should be used throughout the reaction None of these Very low temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction Very high temperature should be used throughout the reaction None of these Very low temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Neither A nor B Both A and B May be lateral mixing of fluid Should not be any mixing along the flow path Neither A nor B Both A and B May be lateral mixing of fluid Should not be any mixing along the flow path ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Endothermic Autothermal Autocatalytic Exothermic Endothermic Autothermal Autocatalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
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