Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Moles/litre.second Litre/second Litre/mole Litre/mole.second Moles/litre.second Litre/second Litre/mole Litre/mole.second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 100000 10000 100 1000 100000 10000 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Threshold energy in a reaction is equal to the Sum of A & B Normal energy of reactants Neither A nor B Activation energy Sum of A & B Normal energy of reactants Neither A nor B Activation energy 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 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 Very high temperature should be used throughout the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan T/T Tan hT/tan T Tan hT/T None of these Tan T/T Tan hT/tan T Tan hT/T None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate at which a chemical substance reacts is proportional to its None of these Molecular weight Equivalent weight Active mass None of these Molecular weight Equivalent weight Active mass ANSWER DOWNLOAD EXAMIANS APP
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